Calculation: 0.58-0.65*0.4.
计算：0.58-0.65*0.4．
<gadget id="calculator">0.65 * 0.4</gadget>
<output>0.26</output>

<gadget id="calculator">0.58 - 0.26</gadget>
<output>0.32</output>

<result>0.32</result>