There are 40 jurisdictions in Chongqing, including 17 counties and the rest are municipal districts. What percentage does the number of municipal districts account for in the total number of jurisdictions?
重庆市共有40个辖区，其中有17个县，其余都是市辖区．市辖区的个数占辖区总数的几分之几？
<gadget id="calculator">40 - 17</gadget>
<output>23</output>

<gadget id="calculator">23 / 40</gadget>
<output>23/40 = around 0.575</output>

<result>23/40 = around 0.575</result>