No problem, we've got 47771477 and 78604396 to multiply
47771477 × 78604396 = 78604396 × (47771477)
+ 78604396 × 7 that is equal 550230772
+ 78604396 × 70 that equals 5502307720
+ 78604396 × 400 resulting in 31441758400
+ 78604396 × 1000 which equals 78604396000
+ 78604396 × 70000 producing 5502307720000
+ 78604396 × 700000 producing 55023077200000
+ 78604396 × 7000000 giving us 550230772000000
+ 78604396 × 40000000 yielding 3144175840000000

= 3755048095612892
