Xiaogang has 15 extracurricular readings, Xiaofang's extracurricular readings are Xiaogang's (2/3), Xiaoying's extracurricular readings are Xiaofang's (8/5), how many extracurricular readings does Xiaoying have?
小刚有15本课外读物，小芳课外读物的本数是小刚的(2/3)，小英课外读物的本数是小芳的(8/5)，小英有多少本课外读物？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">15 * (2/3) * (8/5)</gadget>
<output>16</output>

<result>16</result>