Calculation: 17*23-23*7=
计算：17*23-23*7=
<gadget id="calculator">17 * 23</gadget>
<output>391</output>

<gadget id="calculator">23 * 7</gadget>
<output>161</output>

<gadget id="calculator">391 - 161</gadget>
<output>230</output>

<result>230</result>