We're going to solve 66647642 multiplied by 67371205
66647642 × 67371205 = 67371205 × (66647642)
+ 67371205 × 2 yielding 134742410
+ 67371205 × 40 that equals 2694848200
+ 67371205 × 600 that is equal 40422723000
+ 67371205 × 7000 giving us 471598435000
+ 67371205 × 40000 yielding 2694848200000
+ 67371205 × 600000 that results in 40422723000000
+ 67371205 × 6000000 producing 404227230000000
+ 67371205 × 60000000 giving us 4042272300000000

= 4490131951948610
