Xiao Ming's math test has increased by 5% twice in a row, how much has his score increased in total?
小明数学测验连续两次增长5%，两次成绩共增加多少．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 + (1/20)</gadget>
<output>21/20 = around 1.05</output>

<gadget id="calculator">1 * (21/20) * (21/20)</gadget>
<output>441/400 = around 1.1025</output>

<gadget id="calculator">(441/400) - 1</gadget>
<output>41/400 = around 0.1025</output>

<result>41/400 = around 0.1025</result>