There is a barrel of oil, 26.57 kg was taken out for the first time, 12.37 kg less than the first time was taken out for the second time, and 1.5 times of the second time was taken out for the third time. How many kilograms of oil is taken out for the third time?
有一桶油，第一次取出26.57千克，第二次取的比第一次少12.37千克，第三次取的是第二次的1.5倍．第三次取出油多少千克？
<gadget id="calculator">26.57 - 12.37</gadget>
<output>14.2</output>

<gadget id="calculator">14.2 * 1.5</gadget>
<output>21.3</output>

<result>21.3</result>