No problem, we've got 1704 and 7173 to multiply
1704 × 7173 = 7173 × (1704)
+ 7173 × 4 what gives us 28692
+ 7173 × 00 that is equal 0
+ 7173 × 700 that equals 5021100
+ 7173 × 1000 that is equal 7173000

= 12222792
