link to my code:
Task:
Once again, nice work! 
Instead of subtracting an arbitrary number the intended way would be to set parentheses on the original values like this:
let result = (7 + 13) / (9 + 7);
let result2 = 100 / (2 * 6);
I have to admit that’s not very obvious. 
Your code itself is correct, though.
Michael