There are 260 kilograms of oranges in the fruit shop, and there are fewer apples than oranges (9/20). How many kilograms are there in apples?
水果店有橘子260千克，苹果比橘子少(9/20)，苹果有多少千克？
<gadget id="calculator">9 / 20</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 - (9/20)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">260 * (11/20)</gadget>
<output>143</output>

<result>143</result>