Among the four numbers (1/4), 0.27, 26%, and 0.267, what is the smallest number?
(1/4)、0.27、26%、0.267这四个数中，最小的一个数是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>