There are 100 story books in the class book corner, the number of comic books is 4/5 of story books, and 2/3 of science books, how many science books are there? (equation solution)
班级图书角有故事书100本，漫画书本数是故事书的(4/5)，又是科技书的(2/3)，科技书有多少本？(方程解答)
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">100 * (4/5)</gadget>
<output>80</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">80 * (3/2)</gadget>
<output>120</output>

<result>120</result>