There are 136 science and technology books in the library, and the number of story books is 15 times that of science and technology books. How many more story books than science and technology books?
图书馆有136本科技书，故事书的本数是科技书的15倍，故事书比科技书多几本？
<gadget id="calculator">136 * 15</gadget>
<output>2_040</output>

<gadget id="calculator">2_040 - 136</gadget>
<output>1_904</output>

<result>1_904</result>