No problem, we've got 1997 and 7207 to multiply
1997 × 7207 = 7207 × (1997)
+ 7207 × 7 that is equal 50449
+ 7207 × 90 giving us 648630
+ 7207 × 900 what gives us 6486300
+ 7207 × 1000 that results in 7207000

= 14392379
