9.8*65.2*1.25-12.5*0.652*18.
9.8*65.2*1.25-12.5*0.652*18．
<gadget id="calculator">9.8 * 65.2 * 1.25</gadget>
<output>798.7</output>

<gadget id="calculator">12.5 * 0.652 * 18</gadget>
<output>146.7</output>

<gadget id="calculator">798.7 - 146.7</gadget>
<output>652</output>

<result>652</result>