Question

9878 + 462

Explanation:

Step1: Add the ones place

$8 + 2 = 10$. Write down 0, carry over 1.

Step2: Add the tens place

$7 + 6 + 1 = 14$. Write down 4, carry over 1.

Step3: Add the hundreds place

$8 + 4 + 1 = 13$. Write down 3, carry over 1.

Step4: Add the thousands place

$9 + 0 + 1 = 10$. Write down 10.

Answer:

10340