There are 111 students in the fifth grade, which is equivalent to (3/4) of the number of students in the sixth grade. How many students are there in the fifth and sixth grades?
五年级有学生111人，相当于六年级学生人数的(3/4)，五年级和六年级一共有多少人？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">111 / (3/4)</gadget>
<output>148</output>

<gadget id="calculator">148 + 111</gadget>
<output>259</output>

<result>259</result>