Alright, let's work through 6544 times 9789 step by step
6544 × 9789 = 9789 × (6544)
+ 9789 × 4 that is equal 39156
+ 9789 × 40 that is equal 391560
+ 9789 × 500 yielding 4894500
+ 9789 × 6000 that results in 58734000

= 64059216
