If Xiao Ming insists on remembering 2 different English words every day, how many different English words can he remember in February 2011?
如果小明每天坚持记住2个不同的英语单词，2011年的2月能记住多少个不同的英语单词．
<gadget id="calculator">28 * 2</gadget>
<output>56</output>

<result>56</result>