No problem, we've got 8421 and 7802 to multiply
8421 × 7802 = 7802 × (8421)
+ 7802 × 1 that equals 7802
+ 7802 × 20 that results in 156040
+ 7802 × 400 that is equal 3120800
+ 7802 × 8000 what gives us 62416000

= 65700642
