Calculation: 347*69+633*31+306*19.
计算：347*69+633*31+306*19．
<gadget id="calculator">347 * 69</gadget>
<output>23_943</output>

<gadget id="calculator">633 * 31</gadget>
<output>19_623</output>

<gadget id="calculator">306 * 19</gadget>
<output>5_814</output>

<gadget id="calculator">23_943 + 19_623 + 5_814</gadget>
<output>49_380</output>

<result>49_380</result>