Сделать примеры.

3,17*0,1=
3,17*0,01=
3,17*0,001=
3,17*0,0001=
3,17*0,1=

1892,4*0,1=
1892,4*0,01=
1892,4*0,001=
1892,4*0,0001=
1892,4*0,1=

123,5*0,1=
123,5*0,01=
123,5*0,001=
123,5*0,0001=
123,5*0,1=

3,17*0,1=0,317

3,17*0,01=0,0317

3,17*0,001=0,00317

3,17*0,0001=0,000317

3,17*0,00001=0,0000317

1892,4*0,1=189,24

1892,4*0,01=18,924

1892,4*0,001=1,8924

1892,4*0,0001=18924

1892,4*0,00001=0,18924

123,5*0,1=12,35

123,5*0,01=1,235

123,5*0,001=1235

123,5*0,0001=0,1235

123,5*0,00001=0,01235