There are 144 male students in the skating rink, 94 more than female students. How many female classmates are there in the skating rink?
溜冰场里有男同学144人，比女同学多94人．溜冰场里有多少个女同学？
<gadget id="calculator">144 - 94</gadget>
<output>50</output>

<result>50</result>