A total of 50 peach trees are planted along a circle of a circular pond, and an apricot tree is planted between every two peach trees. How many apricot trees are planted in total?
沿着一个圆形池塘的一周共栽了50棵桃树，每两棵桃树之间栽一棵杏树，一共栽了多少棵杏树．
<gadget id="calculator">1 * 50</gadget>
<output>50</output>

<result>50</result>