There are 43 willows and poplars in the park, and 42 pines and cypresses in total. There are 2 more poplars than pines and 7 fewer than willows. How many cypresses are there in the park?
公园里有柳树和杨树共43棵，松树和柏树共42棵，杨树比松树多2棵，比柳树少7棵，公园里有柏树多少棵．
<gadget id="calculator">43 - 7</gadget>
<output>36</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">18 - 2</gadget>
<output>16</output>

<gadget id="calculator">42 - 16</gadget>
<output>26</output>

<result>26</result>