Simple calculation: 378+864/24*7.
简算：378+864/24*7．
<gadget id="calculator">864 / 24</gadget>
<output>36</output>

<gadget id="calculator">36 * 7</gadget>
<output>252</output>

<gadget id="calculator">378 + 252</gadget>
<output>630</output>

<result>630</result>