The hotel arranges rooms for a tourist group for tourists. There are 3 more rooms for 4 people than 6 people. How many people are there in the tour group?
宾馆给某旅游团给游客安排房间．按4人一间安排比按6人一间多用3间，旅游团有多少人？
<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">3 * 2 * 3 * 2</gadget>
<output>36</output>

<result>36</result>