The number of pear trees planted in the orchard is 1.2 times that of apple trees. If 45 more apple trees are planted, there will be as many pear trees. How many apple trees are planted in the orchard?
果园里种的梨树的棵数是苹果树的1.2倍，如果再种45棵苹果树，就和梨树的棵树同样多．果园里种了多少棵苹果树？
<gadget id="calculator">1.2 - 1</gadget>
<output>0.2</output>

<gadget id="calculator">45 / 0.2</gadget>
<output>225</output>

<result>225</result>