Why does 2178 times 4 equal 8712?

Answer 1

Well, isn't that just a happy little math problem! When you multiply 2178 by 4, you're essentially adding 2178 together 4 times. So, you're taking that lovely number and making it bigger by adding it to itself a few times, resulting in 8712. Just remember, there are many ways to reach the right answer in math, and each one is like a unique brushstroke on the canvas of numbers.

Answer 2

4 * 2178 = 4 (2000 + 100 + 70 + 8) = 4 * 2000 + 4 * 100 + 4 * 70 + 4 * 8 = 8000 + 400 + 280 + 32 = 8712, so 4 * 2178 = 8712.