There are 72 peach trees planted in the orchard, which is 8 times the number of pear trees. How many pear trees and peach trees are there in total?
果园里种了72棵桃树，是梨树棵数的8倍，种的梨树和桃树一共有多少棵？
<gadget id="calculator">72 / 8</gadget>
<output>9</output>

<gadget id="calculator">9 + 72</gadget>
<output>81</output>

<result>81</result>