1 ton of rapeseed can extract (2/3) tons of oil. According to this calculation, how many tons of oil can be extracted from 15 tons of rapeseed.
1吨菜籽可榨油(2/3)吨，照这样计算，15吨菜籽可榨油多少吨．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">15 * (2/3)</gadget>
<output>10</output>

<result>10</result>