There are 120 third-grade students in the experimental primary school who have passed the vision test, accounting for 96% of the whole grade. How many students are there in the whole grade?
实验小学三年级学生视力测试中达标120人，占全年级人数的96%，全年级有多少人？
<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">120 / (24/25)</gadget>
<output>125</output>

<result>125</result>