If the coat is sold at 10% off the list price, it can still make a profit of 20%. If the purchase price of the coat is 180 yuan, what is the list price?
大衣按标价九折出售，仍可获利20%，若该大衣进价是180元，则标价是多少元．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">180 * (6/5)</gadget>
<output>216</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">216 / (9/10)</gadget>
<output>240</output>

<result>240</result>