Minsheng Pharmacy offers a 5% discount on all medicines on Saturdays. Xiaoxue bought a box of cold medicine for 19 yuan. How much did she spend less?
民生大药店周六所有药品打九五折，小雪要买花了19元买了盒感冒药，她少花了多少钱？
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">20 - 19</gadget>
<output>1</output>

<result>1</result>