[填空题]
A person decides to lose weight by s,m vxj33oyzl-zc a+f8je i5 4w18alj k6. mcqkleeping one hour less per day, using thehpw p(th7mx u ai+0:l wiwq+7zni81x- time for light activity. How much weight (or mass) can this person expect to lose in 1 year, assuming no change in food intake? Assume that 1 kg of fat stores about 40,000 kJ+h nmx(wlu i8a 7wp +7i1x0hqw-zi: tp of energy. kg(retain one decimal places) $lbs$