A piece of wire is 90 cm long. After making a square frame with a side length of 16 cm, how many centimeters are left?
一段铁丝长90厘米，做了一个边长是16厘米的正方形框架后，还剩多少厘米？
<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<gadget id="calculator">90 - 64</gadget>
<output>26</output>

<result>26</result>