Alright, let's work through 4700 times 6784 step by step
4700 × 6784 = 6784 × (4700)
+ 6784 × 0 that results in 0
+ 6784 × 00 that equals 0
+ 6784 × 700 that is equal 4748800
+ 6784 × 4000 resulting in 27136000

= 31884800
