Xiao Ming finished reading a 408-page storybook in 4 days, and his younger sister read 10 pages less than him every day. How many pages did my younger sister read every day?
小明4天看完一本408页的故事书，妹妹每天比他少看10页，妹妹每天看多少页？
<gadget id="calculator">408 / 4</gadget>
<output>102</output>

<gadget id="calculator">102 - 10</gadget>
<output>92</output>

<result>92</result>