No problem, we've got 3976 and 5429 to multiply
3976 × 5429 = 5429 × (3976)
+ 5429 × 6 what gives us 32574
+ 5429 × 70 producing 380030
+ 5429 × 900 that equals 4886100
+ 5429 × 3000 producing 16287000

= 21585704
