Alright, let's work through 9210 times 9515 step by step
9210 × 9515 = 9515 × (9210)
+ 9515 × 0 that equals 0
+ 9515 × 10 yielding 95150
+ 9515 × 200 giving us 1903000
+ 9515 × 9000 yielding 85635000

= 87633150
