Arbor Day is here, the fifth grade students of our school are planting trees on campus, the first group planted (1/4) of this batch of trees, the rest are the third and fourth groups, the third and fourth groups planted this batch What fraction of a tree?
植树节到了，我校五年级学生在校园里种树，第一小组种了这批树的(1/4)，剩下的是第三、四组种，第三、四组合种了这批树的几分之分？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

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