Simple calculation: 36%*25%+0.25*40.
简便计算：36%*25%+0.25*40．
<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(9/25) * (1/4)</gadget>
<output>9/100 = around 0.09</output>

<gadget id="calculator">0.25 * 40</gadget>
<output>10</output>

<gadget id="calculator">(9/100) + 10</gadget>
<output>1_009/100 = around 10.09</output>

<result>1_009/100 = around 10.09</result>