No problem, we've got 45225421 and 84259891 to multiply
45225421 × 84259891 = 84259891 × (45225421)
+ 84259891 × 1 resulting in 84259891
+ 84259891 × 20 which equals 1685197820
+ 84259891 × 400 producing 33703956400
+ 84259891 × 5000 giving us 421299455000
+ 84259891 × 20000 what gives us 1685197820000
+ 84259891 × 200000 that is equal 16851978200000
+ 84259891 × 5000000 yielding 421299455000000
+ 84259891 × 40000000 that is equal 3370395640000000

= 3810689043889111
