There are 24 female students and 19 male students in the second class of the fifth grade in a certain school. The total number of the fifth grade is four times that of the second class of the fifth grade. How many students are there in the fifth grade?
某校五年级二班有女同学24人，男同学19人，五年级总人数是五年级二班的4倍，五年级一共有学生多少人？
<gadget id="calculator">24 + 19</gadget>
<output>43</output>

<gadget id="calculator">43 * 4</gadget>
<output>172</output>

<result>172</result>