Teacher Wang brought 700 yuan to buy books for the school. After buying 26 sets of the same books, there was 50 yuan left. How much is each set of books?
王老师带了700元钱给学校购买图书，购买了26套同样的图书后，还剩50元．每套图书多少元？
<gadget id="calculator">700 - 50</gadget>
<output>650</output>

<gadget id="calculator">650 / 26</gadget>
<output>25</output>

<result>25</result>