Alright, let's work through 5110 times 9712 step by step
5110 × 9712 = 9712 × (5110)
+ 9712 × 0 what gives us 0
+ 9712 × 10 resulting in 97120
+ 9712 × 100 what gives us 971200
+ 9712 × 5000 that results in 48560000

= 49628320
