Li Hua's family has 120 peach trees, and last year each tree harvested an average of 45 kilograms of peaches. This year, each tree is expected to harvest 15 kilograms more than last year. How many kilograms of peaches are expected to be harvested this year?
李华家有120棵桃树，去年平均每棵收获桃子45千克．今年预计每棵比去年多收获15千克，今年预计能收获桃子多少千克？
<gadget id="calculator">45 + 15</gadget>
<output>60</output>

<gadget id="calculator">60 * 120</gadget>
<output>7_200</output>

<result>7_200</result>