No problem, we've got 7384 and 2889 to multiply
7384 × 2889 = 2889 × (7384)
+ 2889 × 4 what gives us 11556
+ 2889 × 80 giving us 231120
+ 2889 × 300 what gives us 866700
+ 2889 × 7000 what gives us 20223000

= 21332376
