What is the product of the sum of 118 and 97 times the difference between 118 and 97?
118与97的和乘118与97的差，积是多少？
<gadget id="calculator">118 + 97</gadget>
<output>215</output>

<gadget id="calculator">118 - 97</gadget>
<output>21</output>

<gadget id="calculator">215 * 21</gadget>
<output>4_515</output>

<result>4_515</result>