There are 20 students in the art group of the school, and the model group has more people than the art group (1/4). How many people are there in the model aircraft team?
学校美术小组有20人，航模小组的人数比美术小组多(1/4)．航模小组有多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">20 * (5/4)</gadget>
<output>25</output>

<result>25</result>