No problem, we've got 5416 and 4058 to multiply
5416 × 4058 = 4058 × (5416)
+ 4058 × 6 which equals 24348
+ 4058 × 10 yielding 40580
+ 4058 × 400 that is equal 1623200
+ 4058 × 5000 that equals 20290000

= 21978128
