No problem, we've got 87406342 and 45445392 to multiply
87406342 × 45445392 = 45445392 × (87406342)
+ 45445392 × 2 giving us 90890784
+ 45445392 × 40 producing 1817815680
+ 45445392 × 300 that equals 13633617600
+ 45445392 × 6000 which equals 272672352000
+ 45445392 × 00000 that results in 0
+ 45445392 × 400000 yielding 18178156800000
+ 45445392 × 7000000 giving us 318117744000000
+ 45445392 × 80000000 yielding 3635631360000000

= 3972215475476064
