A clothing store bought a new batch of coats, sold 15 pieces on the first day, and sold less (1/6) than the rest. How many coats like this did the clothing store buy this time?
某服装店新进一批大衣，第一天售出15件，售出的比剩下的少(1/6)，这次服装店共进多少件这样的大衣？
<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">15 / (5/6)</gadget>
<output>18</output>

<gadget id="calculator">18 + 15</gadget>
<output>33</output>

<result>33</result>