Alright, let's work through 5440294 times 77972777 step by step
5440294 × 77972777 = 77972777 × (5440294)
+ 77972777 × 4 that is equal 311891108
+ 77972777 × 90 what gives us 7017549930
+ 77972777 × 200 yielding 15594555400
+ 77972777 × 0000 yielding 0
+ 77972777 × 40000 what gives us 3118911080000
+ 77972777 × 400000 giving us 31189110800000
+ 77972777 × 5000000 that is equal 389863885000000

= 424194830876438
