Alright, let's work through 5370 times 7880 step by step
5370 × 7880 = 7880 × (5370)
+ 7880 × 0 producing 0
+ 7880 × 70 yielding 551600
+ 7880 × 300 that equals 2364000
+ 7880 × 5000 what gives us 39400000

= 42315600
