268+316*28-2497．
268+316*28-2497．
<gadget id="calculator">316 * 28</gadget>
<output>8_848</output>

<gadget id="calculator">8_848 - 2_497</gadget>
<output>6_351</output>

<gadget id="calculator">268 + 6_351</gadget>
<output>6_619</output>

<result>6_619</result>