9.1*4.8*7.5/0.25/1.3/1.6.
9.1*4.8*7.5/0.25/1.3/1.6．
<gadget id="calculator">7.5 / 0.25 / 1.3 / 1.6</gadget>
<output>14.423077</output>

<gadget id="calculator">9.1 * 4.8 * 14.423077</gadget>
<output>630.000003</output>

<result>630.000003</result>