Alright, let's work through 5160 times 72 step by step
5160 × 72 = 72 × (5160)
+ 72 × 0 yielding 0
+ 72 × 60 resulting in 4320
+ 72 × 100 that results in 7200
+ 72 × 5000 that results in 360000

= 371520
