Xiao Ming bought some pencils, and took out 3 which happened to be (1/6) of these pencils. How many pencils did Xiao Ming buy in total?
小明买了一些铅笔，拿出3支正好是这些铅笔的(1/6)．小明共买了多少支铅笔．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / (1/6)</gadget>
<output>18</output>

<result>18</result>