(26*26*(6-2.5)/0.5-25)*0.2=how much.
(26*26*(6-2.5)/0.5-25)*0.2=多少．
<gadget id="calculator">6 - 2.5</gadget>
<output>3.5</output>

<gadget id="calculator">3.5 / 0.5</gadget>
<output>7</output>

<gadget id="calculator">26 * 26 * 7</gadget>
<output>4_732</output>

<gadget id="calculator">4_732 - 25</gadget>
<output>4_707</output>

<gadget id="calculator">4_707 * 0.2</gadget>
<output>941.4</output>

<result>941.4</result>