Alright, let's work through 8947 times 4128 step by step
8947 × 4128 = 4128 × (8947)
+ 4128 × 7 resulting in 28896
+ 4128 × 40 giving us 165120
+ 4128 × 900 what gives us 3715200
+ 4128 × 8000 that is equal 33024000

= 36933216
