No problem, we've got 1921 and 3164 to multiply
1921 × 3164 = 3164 × (1921)
+ 3164 × 1 that is equal 3164
+ 3164 × 20 giving us 63280
+ 3164 × 900 that is equal 2847600
+ 3164 × 1000 resulting in 3164000

= 6078044
