There are 680 apple trees in the orchard, 30 more than five times the number of pear trees. How many pear trees are there in the orchard?
果园里有苹果树680棵，比梨树的5倍还多30棵，果园里的梨树有多少棵？
<gadget id="calculator">680 - 30</gadget>
<output>650</output>

<gadget id="calculator">650 / 5</gadget>
<output>130</output>

<result>130</result>