No problem, we've got 1207 and 9939 to multiply
1207 × 9939 = 9939 × (1207)
+ 9939 × 7 what gives us 69573
+ 9939 × 00 giving us 0
+ 9939 × 200 that is equal 1987800
+ 9939 × 1000 that equals 9939000

= 11996373
