A table is 90 yuan, and the price of a chair is 60% of the table. How much is a table more expensive than a chair?
一张桌子90元，一张椅子价钱是桌子的60%，一张桌子比一张椅子贵多少元？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">90 * (3/5)</gadget>
<output>54</output>

<gadget id="calculator">90 - 54</gadget>
<output>36</output>

<result>36</result>