The school donated books for "Hope Primary School". The lower grades donated 160 books, the middle grades donated books for the lower grades (7/8), and the upper grades donated books for the middle grades (5/4). How much did the whole school donate in total? book?
学校为"希望小学"捐书，低年级捐160本，中年级捐的本数是低年级的(7/8)，高年级捐的本数是中年级的(5/4)，全校共捐了多少本书？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">160 * (7/8)</gadget>
<output>140</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">160 * (7/8) * (5/4)</gadget>
<output>175</output>

<gadget id="calculator">140 + 175 + 160</gadget>
<output>475</output>

<result>475</result>