2500 kg of a certain kind of peanut kernels can extract 1050 kg of oil. What is the oil yield of this kind of peanut kernels?
某种花生仁2500千克能榨出1050千克的油，这种花生仁的出油率是多少？
<gadget id="calculator">1_050 / 2_500</gadget>
<output>21/50 = around 0.42</output>

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

<gadget id="calculator">(21/50) * 1</gadget>
<output>21/50 = around 0.42</output>

<result>21/50 = around 0.42</result>