Alright, let's work through 7158 times 8755 step by step
7158 × 8755 = 8755 × (7158)
+ 8755 × 8 that is equal 70040
+ 8755 × 50 what gives us 437750
+ 8755 × 100 which equals 875500
+ 8755 × 7000 that equals 61285000

= 62668290
