There are 200 students in the sixth grade of Guangming Primary School, and 150 students participated in the tree planting. How many people planted trees accounted for the whole grade.
光明小学六年级有学生200人，参加植树的有150人，植树的人数占全年级人数的多少．
<gadget id="calculator">150 / 200</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>