Answer
1,661
Work Step by Step
1. Add the ones column: 9 + 2 = 11. Write the 1 in the ones place and carry a 1 to the tens place.
2. Add the tens column: 8 + 7 + 1 = 16. Write the 6 in the tens place and carry a 1 to the hundreds place.
3. Add the hundreds column: 7 + 8 + 1 = 16. Write 16 in the hundreds place .
The answer is 1,661.