Wats 3 cubed +6 squared

If you use the math, it is 3 x 3 x 3. Which 3 x 3 is 9, then you multiply the last 3 and that equals 27. Next you do 6 x 6, which equals 36. 36 + 27 = 63

Two things to say:

1. It's spelled "What's"
2. This is a calculator website, therefore, it would actually be easier to find that out by yourself than ask a question.