Convert 111 in base 2 to base 10?

Oh, dude, you're hitting me with some math here, huh? So, to convert 111 in base 2 to base 10, you basically just add up the powers of 2 for each digit. It's like 1x2^2 + 1x2^1 + 1x2^0, which equals 4 + 2 + 1, so the answer is 7 in base 10. Easy peasy, right?