Alright, let's work through 61680107 times 73356931 step by step
61680107 × 73356931 = 73356931 × (61680107)
+ 73356931 × 7 producing 513498517
+ 73356931 × 00 giving us 0
+ 73356931 × 100 producing 7335693100
+ 73356931 × 0000 that equals 0
+ 73356931 × 80000 what gives us 5868554480000
+ 73356931 × 600000 giving us 44014158600000
+ 73356931 × 1000000 resulting in 73356931000000
+ 73356931 × 60000000 that results in 4401415860000000

= 4524663353271617
