Alright, let's work through 1057 times 5318 step by step
1057 × 5318 = 5318 × (1057)
+ 5318 × 7 that is equal 37226
+ 5318 × 50 resulting in 265900
+ 5318 × 000 giving us 0
+ 5318 × 1000 resulting in 5318000

= 5621126
