Alright, let's work through 87451350 times 72508494 step by step
87451350 × 72508494 = 72508494 × (87451350)
+ 72508494 × 0 producing 0
+ 72508494 × 50 that equals 3625424700
+ 72508494 × 300 that is equal 21752548200
+ 72508494 × 1000 which equals 72508494000
+ 72508494 × 50000 yielding 3625424700000
+ 72508494 × 400000 what gives us 29003397600000
+ 72508494 × 7000000 giving us 507559458000000
+ 72508494 × 80000000 giving us 5800679520000000

= 6340965686766900
