Alright, let's work through 61077614 times 77828667 step by step
61077614 × 77828667 = 77828667 × (61077614)
+ 77828667 × 4 resulting in 311314668
+ 77828667 × 10 what gives us 778286670
+ 77828667 × 600 yielding 46697200200
+ 77828667 × 7000 which equals 544800669000
+ 77828667 × 70000 yielding 5448006690000
+ 77828667 × 000000 which equals 0
+ 77828667 × 1000000 that is equal 77828667000000
+ 77828667 × 60000000 that equals 4669720020000000

= 4753589281160538
