16 rows of apple trees and 24 rows of pear trees are planted in the orchard, with 25 trees in each row. How many fruit trees were planted in total?
果园里栽16排苹果树和24排梨树，每排25棵．一共栽了多少棵果树？
<gadget id="calculator">16 + 24</gadget>
<output>40</output>

<gadget id="calculator">40 * 25</gadget>
<output>1_000</output>

<result>1_000</result>