text: const Discord = require('discord.js');
  var math = require('mathjs');
  const config = require('./config.json');
  
  exports.run = (client, message, args) => {
      let input = args.join(" ");
      if (!input) {
          message.channel.send('Please give me a mathematical question (ex: 1 + 1) \nUsage `c!calc ...');
          return;
      }
  
      const question = args.join(" ");
  
      let answer;
      try {
          answer = math.eval(question);
      } catch (err) {
          return message.channel.send(`**${err}**`);
      }
  
      const embed = new Discord.RichEmbed()
          .setFooter(`Cookie v${config.version}b`)
          .setColor('0x00AE86')
          .setThumbnail('https://images-na.ssl-images-amazon.com/images/I/31QYTepQomL.png')
          .addField(':question: Question:', question, true)
          .addField(':iphone: Answer:', answer)
          message.channel.send(embed)
  }