500 kg of rapeseed can extract 340 kg of oil, what is the oil yield of this batch of rapeseed?
500千克菜籽能榨出油340千克，这批菜籽的出油率为多少．
<gadget id="calculator">340 / 500</gadget>
<output>17/25 = around 0.68</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(17/25) * 1</gadget>
<output>17/25 = around 0.68</output>

<result>17/25 = around 0.68</result>