No problem, we've got 2159 and 5002 to multiply
2159 × 5002 = 5002 × (2159)
+ 5002 × 9 what gives us 45018
+ 5002 × 50 which equals 250100
+ 5002 × 100 producing 500200
+ 5002 × 2000 that is equal 10004000

= 10799318
