text: 
  class Calc {
      static submitDisplay(display){
          let splitDis =  display.split(" ")
          let op = splitDis[1]
          let nums = [parseFloat(splitDis[0]), parseFloat(splitDis[2])]
          switch(op){
              case '+':
                  return Calc.add(...nums)
              case '-':
                  return Calc.subtract(...nums)
              case '*':
                  return Calc.multiply(...nums)
              case '/':
                  return Calc.divide(...nums)
          }
          
      }
      static add(num1, num2){
          return num1 + num2
      }
      static subtract(num1, num2){
          let difference = num1 - num2
          return difference
      }
      static multiply(num1, num2){
          let product = num1 * num2
          return product
      }
      static divide(num1, num2){
          if (num2 === 0){
              return "You cannot divide by Zero!"
          }   
          else{
              return num1 / num2
          }
      }
  }
  