18*0.2/18*0.2=how much
18*0.2/18*0.2=多少
<gadget id="calculator">0.2 / 18</gadget>
<output>0.011111</output>

<gadget id="calculator">18 * 0.011111 * 0.2</gadget>
<output>0.04</output>

<result>0.04</result>