No problem, we've got 85477464 and 20379765 to multiply
85477464 × 20379765 = 20379765 × (85477464)
+ 20379765 × 4 resulting in 81519060
+ 20379765 × 60 that results in 1222785900
+ 20379765 × 400 which equals 8151906000
+ 20379765 × 7000 which equals 142658355000
+ 20379765 × 70000 giving us 1426583550000
+ 20379765 × 400000 yielding 8151906000000
+ 20379765 × 5000000 resulting in 101898825000000
+ 20379765 × 80000000 producing 1630381200000000

= 1742010629115960
