3.6*31.4+43.9*6.4．
3.6*31.4+43.9*6.4．
<gadget id="calculator">3.6 * 31.4</gadget>
<output>113.04</output>

<gadget id="calculator">43.9 * 6.4</gadget>
<output>280.96</output>

<gadget id="calculator">113.04 + 280.96</gadget>
<output>394</output>

<result>394</result>