During the "Graduates donating books to their alma mater" activity for three classes of the sixth grade in a primary school, the books donated by Class 1 accounted for 1/3 of the total books, and the ratio of the number of books donated by Class 2 to Class 3 was 5:3. It is known that Class 6 and Class 2 have donated 150 books. How many books have been donated by the three classes in this school?
某小学六年级三个班在"毕业生向母校捐赠图书"活动中，六1班捐赠的图书占总本书的(1/3)，六2班捐赠的图书本数与六3班的比是5：3．已知六2班捐赠了150本图书，问这个学校三个班共捐赠图书多少本？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(2/3) * (5/8)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">150 / (5/12)</gadget>
<output>360</output>

<result>360</result>