No problem, we've got 3460 and 2173 to multiply
3460 × 2173 = 2173 × (3460)
+ 2173 × 0 giving us 0
+ 2173 × 60 what gives us 130380
+ 2173 × 400 what gives us 869200
+ 2173 × 3000 yielding 6519000

= 7518580
