A 60 cm long ribbon is cut out to form a square with a side length of 11 cm, how many centimeters are left?
一根长60厘米的丝带，剪下一段围成边长为11厘米的正方形，还剩多少厘米．
<gadget id="calculator">11 * 4</gadget>
<output>44</output>

<gadget id="calculator">60 - 44</gadget>
<output>16</output>

<result>16</result>