No problem, we've got 48438379 and 78016347 to multiply
48438379 × 78016347 = 78016347 × (48438379)
+ 78016347 × 9 which equals 702147123
+ 78016347 × 70 yielding 5461144290
+ 78016347 × 300 producing 23404904100
+ 78016347 × 8000 yielding 624130776000
+ 78016347 × 30000 which equals 2340490410000
+ 78016347 × 400000 which equals 31206538800000
+ 78016347 × 8000000 that results in 624130776000000
+ 78016347 × 40000000 producing 3120653880000000

= 3778985384181513
