4.5*0.1/4.5*0.1=how much
4.5*0.1/4.5*0.1=多少
<gadget id="calculator">0.1 / 4.5</gadget>
<output>0.022222</output>

<gadget id="calculator">4.5 * 0.022222 * 0.1</gadget>
<output>0.01</output>

<result>0.01</result>