Alright, let's work through 61380882 times 31072378 step by step
61380882 × 31072378 = 31072378 × (61380882)
+ 31072378 × 2 yielding 62144756
+ 31072378 × 80 what gives us 2485790240
+ 31072378 × 800 giving us 24857902400
+ 31072378 × 0000 producing 0
+ 31072378 × 80000 that results in 2485790240000
+ 31072378 × 300000 producing 9321713400000
+ 31072378 × 1000000 that equals 31072378000000
+ 31072378 × 60000000 what gives us 1864342680000000

= 1907249967477396
