No problem, we've got 80000539 and 61786002 to multiply
80000539 × 61786002 = 61786002 × (80000539)
+ 61786002 × 9 yielding 556074018
+ 61786002 × 30 giving us 1853580060
+ 61786002 × 500 yielding 30893001000
+ 61786002 × 0000 that equals 0
+ 61786002 × 00000 that is equal 0
+ 61786002 × 000000 yielding 0
+ 61786002 × 0000000 resulting in 0
+ 61786002 × 80000000 giving us 4942880160000000

= 4942913462655078
