36 people went rowing, and rented 8 boats in total, with 5 people in each big boat and 3 people in each small boat, so how many small boats were rented in total?
36人去划船，一共租了8只船，每只大船坐5人，每只小船坐3人，那么一共租了多少只小船．
<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">40 - 36</gadget>
<output>4</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

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

<result>2</result>