(10+876+312)*(876+312+918)-(10+876+312+918)*(876+312)=how much.
(10+876+312)*(876+312+918)-(10+876+312+918)*(876+312)=多少．
<gadget id="calculator">10 + 876 + 312</gadget>
<output>1_198</output>

<gadget id="calculator">876 + 312 + 918</gadget>
<output>2_106</output>

<gadget id="calculator">1_198 * 2_106</gadget>
<output>2_522_988</output>

<gadget id="calculator">10 + 876 + 312 + 918</gadget>
<output>2_116</output>

<gadget id="calculator">876 + 312</gadget>
<output>1_188</output>

<gadget id="calculator">2_116 * 1_188</gadget>
<output>2_513_808</output>

<gadget id="calculator">2_522_988 - 2_513_808</gadget>
<output>9_180</output>

<result>9_180</result>