Alright, let's work through 87125616 times 7228348 step by step
87125616 × 7228348 = 7228348 × (87125616)
+ 7228348 × 6 that is equal 43370088
+ 7228348 × 10 that results in 72283480
+ 7228348 × 600 that results in 4337008800
+ 7228348 × 5000 that is equal 36141740000
+ 7228348 × 20000 that is equal 144566960000
+ 7228348 × 100000 giving us 722834800000
+ 7228348 × 7000000 producing 50598436000000
+ 7228348 × 80000000 yielding 578267840000000

= 629774272162368
