There are 56 people who want to go to the other side of the river. There is only one small boat by the river, and only 8 people can sit on the boat at a time. How many times must the boat carry at least to cross the river?
有56个人要到河的对岸去，河边只有一条小船，船上每一次只能坐8个人，船至少要载几次才能全部过河？
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">56 / 7</gadget>
<output>8</output>

<result>8</result>