No problem, we've got 85327715 and 23424829 to multiply
85327715 × 23424829 = 23424829 × (85327715)
+ 23424829 × 5 which equals 117124145
+ 23424829 × 10 what gives us 234248290
+ 23424829 × 700 that equals 16397380300
+ 23424829 × 7000 what gives us 163973803000
+ 23424829 × 20000 producing 468496580000
+ 23424829 × 300000 resulting in 7027448700000
+ 23424829 × 5000000 which equals 117124145000000
+ 23424829 × 80000000 producing 1873986320000000

= 1998787132835735
