Alright, let's work through 77326660 times 73187872 step by step
77326660 × 73187872 = 73187872 × (77326660)
+ 73187872 × 0 which equals 0
+ 73187872 × 60 that results in 4391272320
+ 73187872 × 600 giving us 43912723200
+ 73187872 × 6000 yielding 439127232000
+ 73187872 × 20000 which equals 1463757440000
+ 73187872 × 300000 that equals 21956361600000
+ 73187872 × 7000000 which equals 512315104000000
+ 73187872 × 70000000 that results in 5123151040000000

= 5659373694267520
