No problem, we've got 1685 and 9700 to multiply
1685 × 9700 = 9700 × (1685)
+ 9700 × 5 that results in 48500
+ 9700 × 80 what gives us 776000
+ 9700 × 600 which equals 5820000
+ 9700 × 1000 that equals 9700000

= 16344500
