Assuming they're equations, these are their answers in sig figs:
140
31.14
3.9432
If you'll notice, these three numbers, written in the order as they appear in the game hint, can be put in the shape of a pyramid as so:
Something that may catch your eye is that if you take the same arrangement of digits and add them together, you get the preceding number in the bottom row.
Which means that the only two digits remaining are...
I rest my case.