No problem, we've got 3156 and 2122 to multiply
3156 × 2122 = 2122 × (3156)
+ 2122 × 6 that equals 12732
+ 2122 × 50 giving us 106100
+ 2122 × 100 that equals 212200
+ 2122 × 3000 yielding 6366000

= 6697032
