A pile of coal transported 1.8 tons on the first day, accounting for 20% of the pile of coal, and (1/6) of the pile of coal was removed on the second day. How many tons were removed on the second day?
一堆煤第一天运走1.8吨，占这堆煤的20%，第二天运走这堆煤的(1/6)，第二天运走多少吨？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1.8 / (1/5)</gadget>
<output>9</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">9 * (1/6)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>