function add(a, b) {
  return a + b;
}

let result = 0;
let start = Date.now();

for (let i = 0; i < 200000; i = i + 1) {
  result = result + add(i, i + 1);
}

let end = Date.now();
console.log("Result:", result);
console.log("Time:", end - start, "ms");