The sum of the minuend, the subtrahend and the difference in a subtraction formula is 120, what is the minuend? How many
一道减法算式中的被减数、减数与差相加的和是120，被减数是多少？多少
<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<result>60</result>