text: function degree(a) {
      return a * a;
  }
  function arrayStep(a, b) {
      const arr = [];
      for (let i = 0; i <= a; i += b) {
          arr.push(i);
      }
      return arr;
  }
  const arr = arrayStep(32, 4);
  const arr1 = arr.map(element => degree(element));
  const c = arr1.reduce((a, b) => a + b, 0);
  console.log(c);
  