Alright, let's work through 75867899 times 69309638 step by step
75867899 × 69309638 = 69309638 × (75867899)
+ 69309638 × 9 what gives us 623786742
+ 69309638 × 90 yielding 6237867420
+ 69309638 × 800 resulting in 55447710400
+ 69309638 × 7000 resulting in 485167466000
+ 69309638 × 60000 yielding 4158578280000
+ 69309638 × 800000 yielding 55447710400000
+ 69309638 × 5000000 that equals 346548190000000
+ 69309638 × 70000000 giving us 4851674660000000

= 5258376615510562
