There are 45 apple trees in the orchard, which are 6 less than the number of pear trees (3/4). How many pear trees are there in the orchard?
果园里有苹果树45棵，比梨树的(3/4)少6棵，果园有梨树多少棵？
<gadget id="calculator">45 + 6</gadget>
<output>51</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">51 / (3/4)</gadget>
<output>68</output>

<result>68</result>