Draw the largest circle in a rectangle with a length of 5 cm and a width of 3 cm, what is its radius in cm
在一个长5厘米、宽3厘米的长方形中画一个最大的圆，它的半径是多少厘米
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>