Students in a certain class are attending physical education class. There is one less student in 3 rows, 3 more students in 4 rows, 1 less student in 5 rows, and 5 more students in 6 rows. Ask how many students are there at least in the physical education class?
某班同学上体育课，排成3行少1人，排成4行多3人，排成5行少1人，排成6行多5人．问上体育课的同学最少多少名？
<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<result>59</result>