Calculate 2012*(1+(1/2)+(1/3)+...+(1/2011))-(1+(1+(1/2))+(1+(1/2)+( 1/3))+...(1+(1/2)+(1/3)+...+(1/2011)))=how much.
计算2012*(1+(1/2)+(1/3)+…+(1/2011))-(1+(1+(1/2))+(1+(1/2)+(1/3))+…(1+(1/2)+(1/3)+…+(1/2011)))=多少．
<result>2_011</result>