There are 6 rows of apple trees with 7 trees in each row. There are 10 more pear trees than apple trees. How many pear trees are there?
苹果树有6行，每行7棵，梨树比苹果树多10棵，梨树有多少棵？
<gadget id="calculator">7 * 6</gadget>
<output>42</output>

<gadget id="calculator">42 + 10</gadget>
<output>52</output>

<result>52</result>