Use a simple method to calculate (1+23+34)*(23+34+65)-(1+23+24+65)*(23+24)
用简便方法计算(1+23+34)*(23+34+65)-(1+23+24+65)*(23+24)
<gadget id="calculator">23 + 34 + 65</gadget>
<output>122</output>

<gadget id="calculator">1 * 122</gadget>
<output>122</output>

<gadget id="calculator">23 + 34</gadget>
<output>57</output>

<gadget id="calculator">57 * 122</gadget>
<output>6_954</output>

<gadget id="calculator">1 * 57</gadget>
<output>57</output>

<gadget id="calculator">122 * 57</gadget>
<output>6_954</output>

<gadget id="calculator">6_954 - 57 - 6_954</gadget>
<output>-57</output>

<gadget id="calculator">122 + (-57)</gadget>
<output>65</output>

<result>65</result>