Alright, let's work through 6642 times 9828 step by step
6642 × 9828 = 9828 × (6642)
+ 9828 × 2 that is equal 19656
+ 9828 × 40 yielding 393120
+ 9828 × 600 that is equal 5896800
+ 9828 × 6000 giving us 58968000

= 65277576
