We're going to solve 66810984 multiplied by 64102417
66810984 × 64102417 = 64102417 × (66810984)
+ 64102417 × 4 that equals 256409668
+ 64102417 × 80 producing 5128193360
+ 64102417 × 900 what gives us 57692175300
+ 64102417 × 0000 what gives us 0
+ 64102417 × 10000 that is equal 641024170000
+ 64102417 × 800000 producing 51281933600000
+ 64102417 × 6000000 that equals 384614502000000
+ 64102417 × 60000000 giving us 3846145020000000

= 4282745556548328
