Xiao Nan's family harvested 2400kg of rice last year, and this year's rice harvest is 15% more than last year. How many kilograms of rice does her family harvest this year?
小楠家去年收稻谷2400kg，今年收稻谷比去年多15%．她家今年收稻谷多少千克？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">2_400 * (23/20)</gadget>
<output>2_760</output>

<result>2_760</result>