There are 48 students in Class 4 and 1, and 5 of them learned to swim during the summer vacation. In this way, there are 16 more students in the class who can swim than those who can't. How many people can swim?
四1班有学生48人，暑假中有5人学会了游泳，这样全班会游泳的比不会游泳的多16人，原来会游泳的多少人？
<gadget id="calculator">16 - 5 - 5</gadget>
<output>6</output>

<gadget id="calculator">48 + 6</gadget>
<output>54</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">54 / 2</gadget>
<output>27</output>

<result>27</result>