We're going to solve 87253489 multiplied by 26921620
87253489 × 26921620 = 26921620 × (87253489)
+ 26921620 × 9 yielding 242294580
+ 26921620 × 80 resulting in 2153729600
+ 26921620 × 400 giving us 10768648000
+ 26921620 × 3000 what gives us 80764860000
+ 26921620 × 50000 resulting in 1346081000000
+ 26921620 × 200000 producing 5384324000000
+ 26921620 × 7000000 what gives us 188451340000000
+ 26921620 × 80000000 yielding 2153729600000000

= 2349005274532180
