7.68/0.34 quotient 22, how much is left
7.68/0.34商22，余多少
<gadget id="calculator">0.34 * 22</gadget>
<output>7.48</output>

<gadget id="calculator">7.68 - 7.48</gadget>
<output>0.2</output>

<result>0.2</result>