Donate books for "Hope Primary School", donate 152 books for the third grade, donate 12 books for the fourth grade, twice as much as the third grade, and 12 books for the fifth grade, twice the sum of the third and fourth grades, and donate 12 books for the fifth grade Book?
为"希望小学"捐图书，三年级捐152本，四年级捐的是三年级的2倍少12本，五年级捐的是三、四年级总和的2倍少12本，五年级捐书多少本？
<gadget id="calculator">152 * 2</gadget>
<output>304</output>

<gadget id="calculator">304 - 12</gadget>
<output>292</output>

<gadget id="calculator">152 + 292</gadget>
<output>444</output>

<gadget id="calculator">444 * 2</gadget>
<output>888</output>

<gadget id="calculator">888 - 12</gadget>
<output>876</output>

<result>876</result>