A certain class has a physical education class, the whole class is arranged in 4 rows (the number of people in each row is equal), Xiaofang's row is the 6th from the front, and the 7th from the back, how many students are there in this class?
某班上体育课，全班排成4行(每行人数相等)，小芳排的位置是从前数第6个，从后面数第7个，这个班共有多少名学生．
<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">6 + 6</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>