A piece of clothing now costs 100 yuan, which is now reduced by (1/6) compared to the original cost. How much was the original cost? How many
一件衣服现在成本100元，现在比原来降低了(1/6)，原来的成本多少元？多少
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">100 / (5/6)</gadget>
<output>120</output>

<result>120</result>