The answer is 7212. Simply add the numbers together arithmetically as you would for the problem two plus two. To check your work, a calculator is the best option.
The sum is: 22+212+211 = 445
445
If you mean: 1234567+445 = 1235012
445 + 675 = 1,120
374 + 445 = 819
The answer would be 100, with 34 remainder.
445
467
450
1214
6767 m
Grab a pen and some paper and use your BRAIN ! The answer is 445 !