Uncle Zhang's shiitake mushroom shed had an output of 600 kilograms last year. This year, the scientific breeding method is adopted, and the output is 20% higher than that of last year. How many kilograms is the output this year?
张大伯的香菇棚，去年产量是600千克．今年采用科学种法，产量比去年增产二成，今年的产量是多少千克？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">600 * (6/5)</gadget>
<output>720</output>

<result>720</result>