Xiaohua reads a book, 6 pages a day, and can finish it in 4 days. If you read 8 pages a day, how many days can you finish it?
小华读一本书，每天读6页，4天可以读完．如果每天读8页，几天可以读完？
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">6 * (1/2)</gadget>
<output>3</output>

<result>3</result>