There are 27 pine trees in the garden, and the number of cypress trees is 9 times more than that of pine trees. How many cypress trees are there?
花园里有松树27棵，柏数的棵数比松树的3倍多9棵，柏树有多少棵？
<gadget id="calculator">27 * 3</gadget>
<output>81</output>

<gadget id="calculator">81 + 9</gadget>
<output>90</output>

<result>90</result>