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

<result>2/3 = around 0.666667</result>