Alright, let's work through 7415 times 7200 step by step
7415 × 7200 = 7200 × (7415)
+ 7200 × 5 which equals 36000
+ 7200 × 10 that is equal 72000
+ 7200 × 400 that equals 2880000
+ 7200 × 7000 yielding 50400000

= 53388000
