No problem, we've got 85409427 and 23225021 to multiply
85409427 × 23225021 = 23225021 × (85409427)
+ 23225021 × 7 yielding 162575147
+ 23225021 × 20 yielding 464500420
+ 23225021 × 400 what gives us 9290008400
+ 23225021 × 9000 which equals 209025189000
+ 23225021 × 00000 that is equal 0
+ 23225021 × 400000 that equals 9290008400000
+ 23225021 × 5000000 producing 116125105000000
+ 23225021 × 80000000 what gives us 1858001680000000

= 1983635735672967
