After the earthquake in Wenchuan County, Sichuan Province, Yucai Primary School held a "heart to hand" book donation activity. The fifth grade donated a total of 105 books, and the sixth grade donated (5/8). How many books did the sixth grade donate?
四川省汶川县发生大地震之后，育才小学举行了"心手相连"的捐书活动．五年级共捐了105本书，是六年级捐的(5/8)，六年级捐了多少本书？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">105 / (5/8)</gadget>
<output>168</output>

<result>168</result>