Lele reads a world famous book. She reads an average of 14 pages a day. After reading for 12 days, she finds that there are still 19 pages left to be read. How many pages does this world famous book have? (Column comprehensive formula solution)
乐乐读一本世界名著，平均每天读14页，读了12天，发现还有19页没有读完，这本世界名著共有多少页？(列综合算式解答)
<gadget id="calculator">14 * 12</gadget>
<output>168</output>

<gadget id="calculator">168 + 19</gadget>
<output>187</output>

<result>187</result>