The store shipped a batch of 150 refrigerators, which have been sold (5/6). How many units are left?
商店运来一批冰箱共150台，已经售出(5/6)．还剩多少台？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">150 * (1/6)</gadget>
<output>25</output>

<result>25</result>