Alright, let's work through 45933015 times 91218313 step by step
45933015 × 91218313 = 91218313 × (45933015)
+ 91218313 × 5 that is equal 456091565
+ 91218313 × 10 producing 912183130
+ 91218313 × 000 that results in 0
+ 91218313 × 3000 that results in 273654939000
+ 91218313 × 30000 which equals 2736549390000
+ 91218313 × 900000 that is equal 82096481700000
+ 91218313 × 5000000 producing 456091565000000
+ 91218313 × 40000000 giving us 3648732520000000

= 4189932139303695
