The original price of a piece of clothing is 105 yuan, and now the price is reduced (2/7), how much less is the current price than the original price?
一种服装原价105元，现在降价(2/7)，现在售价比原价少多少元？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">105 * (2/7)</gadget>
<output>30</output>

<result>30</result>