Alright, let's work through 7158 times 7265 step by step
7158 × 7265 = 7265 × (7158)
+ 7265 × 8 producing 58120
+ 7265 × 50 giving us 363250
+ 7265 × 100 that results in 726500
+ 7265 × 7000 that equals 50855000

= 52002870
