No problem, we've got 1289 and 6430 to multiply
1289 × 6430 = 6430 × (1289)
+ 6430 × 9 that is equal 57870
+ 6430 × 80 giving us 514400
+ 6430 × 200 that is equal 1286000
+ 6430 × 1000 that is equal 6430000

= 8288270
