Alright, let's work through 3745 times 1457 step by step
3745 × 1457 = 1457 × (3745)
+ 1457 × 5 yielding 7285
+ 1457 × 40 resulting in 58280
+ 1457 × 700 which equals 1019900
+ 1457 × 3000 that is equal 4371000

= 5456465
