No problem, we've got 1870 and 1720 to multiply
1870 × 1720 = 1720 × (1870)
+ 1720 × 0 that equals 0
+ 1720 × 70 yielding 120400
+ 1720 × 800 giving us 1376000
+ 1720 × 1000 that equals 1720000

= 3216400
