Multiply 126 by 7.

Brief Explanation:

Step-by-step Solution:

1. Step 1: Multiply 6 by 7: $$6 \times 7 = 42$$. Write down 2 and carry over 4.
2. Step 2: Multiply 2 by 7: $$2 \times 7 = 14$$. Add the carried-over 4: $$14 + 4 = 18$$. Write down 8 and carry over 1.
3. Step 3: Multiply 1 by 7: $$1 \times 7 = 7$$. Add the carried-over 1: $$7 + 1 = 8$$. Write down 8.

Answer: 882