The school held a book donation activity for poor mountainous areas. The sixth grade donated 281 books, and the number of books donated by the sixth grade was 76 books three times less than that of the fifth grade. How many books were donated by the fifth grade?
学校举行为贫困山区捐书的活动，六年级捐了281本，六年级捐的书数比五年级的3倍少76本，五年级捐了多少本书？
<gadget id="calculator">281 + 76</gadget>
<output>357</output>

<gadget id="calculator">357 / 3</gadget>
<output>119</output>

<result>119</result>