Xiaotao has 32 coins of 1 yuan and 5 cents, totaling 22 yuan. How many 5 jiao coins does Xiao Tao have?
小淘有1元和5角的硬币32枚，共22元．小淘有5角的硬币多少枚．
<gadget id="calculator">32 * 1</gadget>
<output>32</output>

<gadget id="calculator">32 - 22</gadget>
<output>10</output>

<gadget id="calculator">1 - 0.5</gadget>
<output>0.5</output>

<gadget id="calculator">10 / 0.5</gadget>
<output>20</output>

<result>20</result>