text: class calculator {
      static add(...numbers) {
          let answer = 0;
          numbers.forEach((el) => {
              answer += el
          });
          return answer;
      }
  
      static substract(a , b) {
          return a-b 
      } 
  
      static divide(a , b) {
          return a/b
      }
  
      static multiply(a , b) {
          return a*b
      }
  }
  
  module.exports = calculator
  