Alright, let's work through 40290947 times 5879880 step by step
40290947 × 5879880 = 5879880 × (40290947)
+ 5879880 × 7 resulting in 41159160
+ 5879880 × 40 what gives us 235195200
+ 5879880 × 900 resulting in 5291892000
+ 5879880 × 0000 that results in 0
+ 5879880 × 90000 resulting in 529189200000
+ 5879880 × 200000 that is equal 1175976000000
+ 5879880 × 0000000 that results in 0
+ 5879880 × 40000000 resulting in 235195200000000

= 236905933446360
