What would be the output?

@Yomesh Gupta
const first = 6;
const second = "6";
const third = first + second;
const fourth = first - second;
const fifth = third + first * first;
const sixth = fourth + second * second;

console.log("Fifth is --", fifth, typeof fifth);
console.log("Sixth is --", sixth, typeof sixth);
Option 1
Fifth is -- 1236 string
Sixth is -- 6666 string
Option 2
Fifth is -- 6636 string
Sixth is -- 36 number
Option 3
Fifth is -- 1266 string
Sixth is -- 66 number
Option 4
Fifth is -- 6666 string
Sixth is -- 36 string