Alright, let's work through 1451 times 215 step by step
1451 × 215 = 215 × (1451)
+ 215 × 1 which equals 215
+ 215 × 50 resulting in 10750
+ 215 × 400 that is equal 86000
+ 215 × 1000 which equals 215000

= 311965
