No problem, we've got 77221385 and 64609997 to multiply
77221385 × 64609997 = 64609997 × (77221385)
+ 64609997 × 5 that is equal 323049985
+ 64609997 × 80 that results in 5168799760
+ 64609997 × 300 that is equal 19382999100
+ 64609997 × 1000 giving us 64609997000
+ 64609997 × 20000 that results in 1292199940000
+ 64609997 × 200000 which equals 12921999400000
+ 64609997 × 7000000 resulting in 452269979000000
+ 64609997 × 70000000 producing 4522699790000000

= 4989273453185845
