The students go rowing. If there are 5 people in each boat, 2 people will not be able to board the boat. If there are 6 people in each boat, there will be 3 more seats. How many students went rowing in total?
同学们去划船，如果每条船上坐5人，就有2人不能上船，如果每条船上坐6人，还多3个位子．一共有多少同学去划船？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">25 + 2</gadget>
<output>27</output>

<result>27</result>