No problem, we've got 89581883 and 43742043 to multiply
89581883 × 43742043 = 43742043 × (89581883)
+ 43742043 × 3 which equals 131226129
+ 43742043 × 80 which equals 3499363440
+ 43742043 × 800 yielding 34993634400
+ 43742043 × 1000 giving us 43742043000
+ 43742043 × 80000 giving us 3499363440000
+ 43742043 × 500000 producing 21871021500000
+ 43742043 × 9000000 yielding 393678387000000
+ 43742043 × 80000000 resulting in 3499363440000000

= 3918494578206969
