Calculation: 347*69+653*31+306*19=how much.
计算：347*69+653*31+306*19=多少．
<gadget id="calculator">347 * 69</gadget>
<output>23_943</output>

<gadget id="calculator">653 * 31</gadget>
<output>20_243</output>

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

<gadget id="calculator">23_943 + 20_243 + 5_814</gadget>
<output>50_000</output>

<result>50_000</result>