We're going to solve 9833 multiplied by 639
9833 × 639 = 639 × (9833)
+ 639 × 3 that is equal 1917
+ 639 × 30 that equals 19170
+ 639 × 800 what gives us 511200
+ 639 × 9000 what gives us 5751000

= 6283287
