A medicine is priced at 36 yuan after a 20% price cut. What is the price of this medicine after a 30% price cut?
一种药降价二成后售价为36元，这种药品降价三成后价格为多少元．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">36 / (4/5)</gadget>
<output>45</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">45 * (7/10)</gadget>
<output>63/2 = around 31.5</output>

<result>63/2 = around 31.5</result>