We're going to solve 20785995 multiplied by 31804139
20785995 × 31804139 = 31804139 × (20785995)
+ 31804139 × 5 resulting in 159020695
+ 31804139 × 90 that results in 2862372510
+ 31804139 × 900 producing 28623725100
+ 31804139 × 5000 that equals 159020695000
+ 31804139 × 80000 that results in 2544331120000
+ 31804139 × 700000 which equals 22262897300000
+ 31804139 × 0000000 giving us 0
+ 31804139 × 20000000 producing 636082780000000

= 661080674233305
