There are 21 apricot trees and 27 pear trees in the orchard. The number of peach trees is the sum of apricot trees and pear trees (2/3). How many peach trees are there?
果园里有21棵杏树，27棵梨树，桃树的棵数是杏树与梨树总和的(2/3)，有多少棵桃树？
<gadget id="calculator">21 + 27</gadget>
<output>48</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">48 * (2/3)</gadget>
<output>32</output>

<result>32</result>