Alright, let's work through 4237 times 3135 step by step
4237 × 3135 = 3135 × (4237)
+ 3135 × 7 that is equal 21945
+ 3135 × 30 that is equal 94050
+ 3135 × 200 producing 627000
+ 3135 × 4000 giving us 12540000

= 13282995
