It turns out that there is oil in the large bottle 2. 1 kg and oil in the small bottle 0.4 kg.
Excluding compound interest,1000 * (1+7.86% * 5) =1393 yuan.
The compound interest is1000 * (1+7.86%) 5 =1459.83 yuan.
45 *1.2/(1/4) = 216 pages