What is the difference between 1000 and the product of 2 multiplied by 15?
1000减去2个15相乘的积，差是多少？
<gadget id="calculator">15 * 15</gadget>
<output>225</output>

<gadget id="calculator">1_000 - 225</gadget>
<output>775</output>

<result>775</result>