What is the product of the sum of 125 and 75 multiplied by their difference?
125与75的和乘它们的差，积是多少？
<gadget id="calculator">125 + 75</gadget>
<output>200</output>

<gadget id="calculator">125 - 75</gadget>
<output>50</output>

<gadget id="calculator">200 * 50</gadget>
<output>10_000</output>

<result>10_000</result>