No problem, we've got 5573 and 3777 to multiply
5573 × 3777 = 3777 × (5573)
+ 3777 × 3 that equals 11331
+ 3777 × 70 what gives us 264390
+ 3777 × 500 yielding 1888500
+ 3777 × 5000 that equals 18885000

= 21049221
