Alright, let's work through 40099212 times 40761919 step by step
40099212 × 40761919 = 40761919 × (40099212)
+ 40761919 × 2 which equals 81523838
+ 40761919 × 10 giving us 407619190
+ 40761919 × 200 that equals 8152383800
+ 40761919 × 9000 resulting in 366857271000
+ 40761919 × 90000 resulting in 3668572710000
+ 40761919 × 000000 that equals 0
+ 40761919 × 0000000 resulting in 0
+ 40761919 × 40000000 what gives us 1630476760000000

= 1634520831507828
