text: import aiohttp
  import discord
  import requests
  from discord.ext import commands
  
  
  class Calc(commands.Cog):
      def __init__(self, client):
          self.client = client
  
      @commands.Cog.listener()
      async def on_ready(self):
          print("Calc cog loaded successfully")
  
      @commands.command(description="Calculates the given expression")
      async def calc(self, ctx, *, expression):
          if len(expression) > 30:
              await ctx.send("**Too big equation**")
          else:
              st = expression.replace("+", "%2B")
              async with aiohttp.ClientSession() as session:
                  async with session.get(
                      f"https://api.mathjs.org/v4/?expr={st}"
                  ) as response:
                      ex = await response.text()
                      if len(ex) > 200:
                          await ctx.send("Too big result")
                      else:
  
                          embed = discord.Embed(
                              timestamp=ctx.message.created_at,
                              title="Expression",
                              description=f"```{expression}```",
                              color=0xFF0000,
                          )
                          embed.add_field(
                              name=f"Result", value=f"```{ex}```", inline=False
                          )
                          embed.set_author(
                              name="Calculator",
                              icon_url="https://www.webretailer.com/wp-content/uploads/2018/10/Flat-calculator-representing-Amazon-FBA-calculators.png",
                          )
                          await ctx.send(embed=embed)
  
  
  def setup(client):
      client.add_cog(Calc(client))
  