Alright, let's work through 8621 times 7442 step by step
8621 × 7442 = 7442 × (8621)
+ 7442 × 1 that is equal 7442
+ 7442 × 20 that is equal 148840
+ 7442 × 600 what gives us 4465200
+ 7442 × 8000 that is equal 59536000

= 64157482
