Last year, Xishan Village planted 420 hectares of rice. This year, the number of hectares of rice planted is 140% of last year. How many hectares of rice are planted this year?
西山村去年种水稻420公顷，今年种水稻公顷数是去年的140%，今年种水稻多少公顷？
<gadget id="calculator">140 / 100</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">420 * (7/5)</gadget>
<output>588</output>

<result>588</result>