36.54/1.3=28.1... how much.
36.54/1.3=28.1…多少．
<gadget id="calculator">1.3 * 28.1</gadget>
<output>36.53</output>

<gadget id="calculator">36.54 - 36.53</gadget>
<output>0.01</output>

<result>0.01</result>