Alright, let's work through 72063446 times 67017490 step by step
72063446 × 67017490 = 67017490 × (72063446)
+ 67017490 × 6 producing 402104940
+ 67017490 × 40 resulting in 2680699600
+ 67017490 × 400 what gives us 26806996000
+ 67017490 × 3000 giving us 201052470000
+ 67017490 × 60000 which equals 4021049400000
+ 67017490 × 000000 that is equal 0
+ 67017490 × 2000000 what gives us 134034980000000
+ 67017490 × 70000000 that results in 4691224300000000

= 4829511271670540
