25*3.5+42.5*6.5．
25*3.5+42.5*6.5．
<gadget id="calculator">25 * 3.5</gadget>
<output>87.5</output>

<gadget id="calculator">42.5 * 6.5</gadget>
<output>276.25</output>

<gadget id="calculator">87.5 + 276.25</gadget>
<output>363.75</output>

<result>363.75</result>