3.6*31.4+68.9*6.4=how much.
3.6*31.4+68.9*6.4=多少．
<gadget id="calculator">3.6 * 31.4</gadget>
<output>113.04</output>

<gadget id="calculator">68.9 * 6.4</gadget>
<output>440.96</output>

<gadget id="calculator">113.04 + 440.96</gadget>
<output>554</output>

<result>554</result>