100 kilograms of rapeseed can extract 40 kilograms of oil. According to this calculation, how many tons of oil can be extracted from 15 tons of rapeseed.
100千克油菜籽可榨油40千克，照这样计算，15吨油菜籽可榨油多少吨．
<gadget id="calculator">40 / 1_000</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">100 / 1_000 / (1/25)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">15 / (5/2)</gadget>
<output>6</output>

<result>6</result>