Alright, let's work through 654579 times 80029549 step by step
654579 × 80029549 = 80029549 × (654579)
+ 80029549 × 9 yielding 720265941
+ 80029549 × 70 what gives us 5602068430
+ 80029549 × 500 which equals 40014774500
+ 80029549 × 4000 that is equal 320118196000
+ 80029549 × 50000 which equals 4001477450000
+ 80029549 × 600000 what gives us 48017729400000

= 52385662154871
