In a subtraction formula, add up the minuend, the subtrahend, and the difference, and the sum is 2400. Do you know what the minuend is?
在一道减法算式里，把被减数、减数、差加起来，和是2400你知道被减数是多少吗？
<gadget id="calculator">2_400 / 2</gadget>
<output>1_200</output>

<result>1_200</result>