Alright, let's work through 77528528 times 70010111 step by step
77528528 × 70010111 = 70010111 × (77528528)
+ 70010111 × 8 that equals 560080888
+ 70010111 × 20 what gives us 1400202220
+ 70010111 × 500 resulting in 35005055500
+ 70010111 × 8000 producing 560080888000
+ 70010111 × 20000 that results in 1400202220000
+ 70010111 × 500000 which equals 35005055500000
+ 70010111 × 7000000 giving us 490070777000000
+ 70010111 × 70000000 producing 4900707770000000

= 5427780850946608
