No problem, we've got 2928 and 7144 to multiply
2928 × 7144 = 7144 × (2928)
+ 7144 × 8 which equals 57152
+ 7144 × 20 that results in 142880
+ 7144 × 900 what gives us 6429600
+ 7144 × 2000 which equals 14288000

= 20917632
