No problem, we've got 60667348 and 63847740 to multiply
60667348 × 63847740 = 63847740 × (60667348)
+ 63847740 × 8 resulting in 510781920
+ 63847740 × 40 giving us 2553909600
+ 63847740 × 300 yielding 19154322000
+ 63847740 × 7000 giving us 446934180000
+ 63847740 × 60000 giving us 3830864400000
+ 63847740 × 600000 giving us 38308644000000
+ 63847740 × 0000000 that results in 0
+ 63847740 × 60000000 yielding 3830864400000000

= 3873473061593520
