The price of electrical appliances in an electrical appliance factory was reduced by 5% in the first week of last year compared with the previous week, and in the second week by 5% compared with the first week. What is the total price reduction in the two weeks?
某电器厂的电器，去年第一周比上一周降价5%，第二周比第一周降价5%，两周一共降价多少．
<gadget id="calculator">5 / 100</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">(19/20) * (1/20)</gadget>
<output>19/400 = around 0.0475</output>

<gadget id="calculator">(1/20) + (19/400)</gadget>
<output>39/400 = around 0.0975</output>

<result>39/400 = around 0.0975</result>