There are 78 boys in the fourth grade, three times the number of girls. How many students are there in the fourth grade?
四年级有78个男生，是女生人数的3倍．四年级一共有学生多少人？
<gadget id="calculator">78 / 3</gadget>
<output>26</output>

<gadget id="calculator">78 + 26</gadget>
<output>104</output>

<result>104</result>