Alright, let's work through 31555270 times 40315654 step by step
31555270 × 40315654 = 40315654 × (31555270)
+ 40315654 × 0 giving us 0
+ 40315654 × 70 that is equal 2822095780
+ 40315654 × 200 that is equal 8063130800
+ 40315654 × 5000 that results in 201578270000
+ 40315654 × 50000 what gives us 2015782700000
+ 40315654 × 500000 what gives us 20157827000000
+ 40315654 × 1000000 resulting in 40315654000000
+ 40315654 × 30000000 giving us 1209469620000000

= 1272171347196580
