Students from class 31 lined up in 6 rows to do exercises, each row had the same number of people, Xiaoying stood in the first row, counting from the front, she was the 5th from the back. How many students are there in this class?
三1班同学排成6列做操，每列人数同样多，小英站第一列，从前面数，从后面数她都是第5个．这班一共有多少个同学．
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<result>54</result>