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

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

<gadget id="calculator">306 * 69</gadget>
<output>21_114</output>

<gadget id="calculator">23_943 + 20_243 + 21_114</gadget>
<output>65_300</output>

<result>65_300</result>