There were 138 male athletes participating in the 28th Olympic Games in my country, and 7 female athletes were twice as many as male athletes. How many female athletes are there in total?
我国参加28届奥运会的男运动员138人，女运动员比男运动员的2倍少7人．女运动员一共有多少人？
<gadget id="calculator">138 * 2</gadget>
<output>276</output>

<gadget id="calculator">276 - 7</gadget>
<output>269</output>

<result>269</result>