In a subtraction formula, the minuend is 25 more than the subtrahend, and the difference is 15 less than the subtrahend. What is the minuend?
在一道减法算式里，被减数比减数多25，差比减数少15，被减数是多少．
<gadget id="calculator">25 + 15</gadget>
<output>40</output>

<gadget id="calculator">25 + 40</gadget>
<output>65</output>

<result>65</result>