Let's calculate 31520482 x 36138423
31520482 × 36138423 = 36138423 × (31520482)
+ 36138423 × 2 which equals 72276846
+ 36138423 × 80 that equals 2891073840
+ 36138423 × 400 yielding 14455369200
+ 36138423 × 0000 what gives us 0
+ 36138423 × 20000 yielding 722768460000
+ 36138423 × 500000 which equals 18069211500000
+ 36138423 × 1000000 giving us 36138423000000
+ 36138423 × 30000000 that equals 1084152690000000

= 1139100511679886
