Alright, let's work through 8748 times 139 step by step
8748 × 139 = 139 × (8748)
+ 139 × 8 what gives us 1112
+ 139 × 40 that results in 5560
+ 139 × 700 yielding 97300
+ 139 × 8000 yielding 1112000

= 1215972
