There are 37 soldiers who want to cross the river. There is only one small boat that can carry 5 people at a time. How many times will it take to cross the river?
有37名战士要过河，只有一只小船，一次能载5人，需要几次才能渡完？
<gadget id="calculator">37 - 5</gadget>
<output>32</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<result>9</result>