After the price of an 80-yuan commodity is reduced (1/20), the price is raised by 5 yuan. How much is the price higher than the original price?
一件80元的商品降价(1/20)后，又提价5元，价格比原来提高多少．
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">80 * (19/20)</gadget>
<output>76</output>

<gadget id="calculator">76 + 5</gadget>
<output>81</output>

<gadget id="calculator">81 - 80</gadget>
<output>1</output>

<gadget id="calculator">1 / 80</gadget>
<output>1/80 = around 0.0125</output>

<result>1/80 = around 0.0125</result>