Last year, a certain village planted 4,000 square meters of peanuts, and this year it is more than last year (1/8). How many square meters is this year more than last year?
某村去年种花生4000平方米，今年比去年多种(1/8)，今年比去年多种多少平方米？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">4_000 * (1/8)</gadget>
<output>500</output>

<result>500</result>