No problem, we've got 1624 and 2804 to multiply
1624 × 2804 = 2804 × (1624)
+ 2804 × 4 that equals 11216
+ 2804 × 20 giving us 56080
+ 2804 × 600 what gives us 1682400
+ 2804 × 1000 yielding 2804000

= 4553696
