Uncle Zhang planted 5 rows of fruit trees, 13 trees in each row, if the output of each tree is 55 kg. How many kilograms of fruit can the fruit trees he planted produce?
张叔叔种了5行果树，每行13棵，如果每棵的产量是55千克．他种的这些果树能产多少千克的水果？
<gadget id="calculator">13 * 5</gadget>
<output>65</output>

<gadget id="calculator">55 * 65</gadget>
<output>3_575</output>

<result>3_575</result>