The big boat is limited to 6 people, and the small boat is limited to 4 people. A total of 38 people rented 8 boats, all of which were full. How many boats are rented?
大船限乘6人，小船限乘4人，38人共租了8条船，都坐满了．租的小船多少艘．
<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<gadget id="calculator">48 - 38</gadget>
<output>10</output>

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>