Alright, let's work through 4915 times 8763 step by step
4915 × 8763 = 8763 × (4915)
+ 8763 × 5 that equals 43815
+ 8763 × 10 which equals 87630
+ 8763 × 900 that results in 7886700
+ 8763 × 4000 that is equal 35052000

= 43070145
