No problem, we've got 85662454 and 77104356 to multiply
85662454 × 77104356 = 77104356 × (85662454)
+ 77104356 × 4 that equals 308417424
+ 77104356 × 50 which equals 3855217800
+ 77104356 × 400 which equals 30841742400
+ 77104356 × 2000 that is equal 154208712000
+ 77104356 × 60000 that equals 4626261360000
+ 77104356 × 600000 which equals 46262613600000
+ 77104356 × 5000000 giving us 385521780000000
+ 77104356 × 80000000 producing 6168348480000000

= 6604948349049624
