Alright, let's work through 43216871 times 80215326 step by step
43216871 × 80215326 = 80215326 × (43216871)
+ 80215326 × 1 resulting in 80215326
+ 80215326 × 70 resulting in 5615072820
+ 80215326 × 800 that equals 64172260800
+ 80215326 × 6000 which equals 481291956000
+ 80215326 × 10000 yielding 802153260000
+ 80215326 × 200000 which equals 16043065200000
+ 80215326 × 3000000 that equals 240645978000000
+ 80215326 × 40000000 giving us 3208613040000000

= 3466655395964946
