No problem, we've got 87489018 and 4620100 to multiply
87489018 × 4620100 = 4620100 × (87489018)
+ 4620100 × 8 producing 36960800
+ 4620100 × 10 what gives us 46201000
+ 4620100 × 000 that is equal 0
+ 4620100 × 9000 that results in 41580900000
+ 4620100 × 80000 that results in 369608000000
+ 4620100 × 400000 yielding 1848040000000
+ 4620100 × 7000000 giving us 32340700000000
+ 4620100 × 80000000 giving us 369608000000000

= 404208012061800
