What is the product of the difference between 23 and 15, multiplied by the sum of 18 and 10
23与15的差，乘18与10的和，积是多少
<gadget id="calculator">23 - 15</gadget>
<output>8</output>

<gadget id="calculator">18 + 10</gadget>
<output>28</output>

<gadget id="calculator">8 * 28</gadget>
<output>224</output>

<result>224</result>