Alright, let's work through 40940647 times 99320532 step by step
40940647 × 99320532 = 99320532 × (40940647)
+ 99320532 × 7 yielding 695243724
+ 99320532 × 40 that equals 3972821280
+ 99320532 × 600 that equals 59592319200
+ 99320532 × 0000 that equals 0
+ 99320532 × 40000 giving us 3972821280000
+ 99320532 × 900000 yielding 89388478800000
+ 99320532 × 0000000 that equals 0
+ 99320532 × 40000000 resulting in 3972821280000000

= 4066246840464204
