(125*2)*(8/2)=how much.
(125*2)*(8/2)=多少．
<gadget id="calculator">125 * 2</gadget>
<output>250</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">250 * 4</gadget>
<output>1_000</output>

<result>1_000</result>