No problem, we've got 3151 and 6706 to multiply
3151 × 6706 = 6706 × (3151)
+ 6706 × 1 which equals 6706
+ 6706 × 50 yielding 335300
+ 6706 × 100 what gives us 670600
+ 6706 × 3000 that is equal 20118000

= 21130606
