No problem, we've got 63880643 and 69000477 to multiply
63880643 × 69000477 = 69000477 × (63880643)
+ 69000477 × 3 resulting in 207001431
+ 69000477 × 40 yielding 2760019080
+ 69000477 × 600 yielding 41400286200
+ 69000477 × 0000 that results in 0
+ 69000477 × 80000 yielding 5520038160000
+ 69000477 × 800000 giving us 55200381600000
+ 69000477 × 3000000 that results in 207001431000000
+ 69000477 × 60000000 that equals 4140028620000000

= 4407794838066711
