The side length of a square is (1/4) decimeters, what is its perimeter
一个正方形的边长是(1/4)分米，它的周长是多少分米
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 4</gadget>
<output>1</output>

<result>1</result>