A hotel has 25 double rooms and 45 triple rooms. How many people can stay in this hotel?
一个旅馆有25个两人房间，45个三人房间．这个旅馆一共可以住多少人？
<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<gadget id="calculator">45 * 3</gadget>
<output>135</output>

<gadget id="calculator">50 + 135</gadget>
<output>185</output>

<result>185</result>