Uncle Zhang’s farmland was planted with ordinary rice last year, and the yield was 1,000 kilograms. After planting a new variety of rice this year, the yield increased by 20% compared with last year. How much is the increase this year?
张大伯的一块农田去年种普通水稻，产量是1000千克，今年改种新品种水稻后，产量比去年增产两成，今年增产多少千克？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1_000 * (1/5)</gadget>
<output>200</output>

<result>200</result>