Alright, let's work through 5157 times 8216 step by step
5157 × 8216 = 8216 × (5157)
+ 8216 × 7 which equals 57512
+ 8216 × 50 that is equal 410800
+ 8216 × 100 that equals 821600
+ 8216 × 5000 that results in 41080000

= 42369912
