text: /*module.exports = function multiply(first, second) {*/
    /*return parseInt(first) * parseInt (second);*/
    /*return toString ((+first) * (+second));*/
    /*let firstNumber = remainNumber(first);
    let secondNumber = remainNumber(second);
    let multiplyNumber = firstNumber * secondNumber;*/
    /*return(String(BigInt(+first) * BigInt(+second)));};*/
  
    module.exports = function multiply(first, second) {
      let endArr = [];
      var firstArr = first.split('').reverse();
      var secondArr = second.split('').reverse();
         
      for (var i = 0; i < firstArr.length; i++) {
        for (var j = 0; j < secondArr.length; j++) {
          var multiplyNumber = firstArr[i] * secondArr[j];
          endArr[i + j] = (endArr[i + j]) ? endArr[i + j] + multiplyNumber : multiplyNumber;
        }
      }
    
      for (var i = 0; i < endArr.length; i++) {
        var remainNumber = endArr[i] % 10;
        var carryoverNumber = Math.floor(endArr[i] / 10);
        endArr[i] = remainNumber;
    
        if (endArr[i + 1])
          endArr[i + 1] += carryoverNumber;
        else if (carryoverNumber != 0){
          endArr[i + 1] = carryoverNumber;
        }
      }
    
    
      return endArr.reverse().join('');
    }
  
    
  
  
  
  
  
  
  
  
  