Alright, let's work through 8138 times 9711 step by step
8138 × 9711 = 9711 × (8138)
+ 9711 × 8 resulting in 77688
+ 9711 × 30 producing 291330
+ 9711 × 100 giving us 971100
+ 9711 × 8000 yielding 77688000

= 79028118
