The unit price of the diary is 8.45 yuan, a pack of 20 books, the school bought 7 packs, how much will it cost?
日记本的单价是8.45元，20本装一包，学校买了7包，共要付多少元？
<gadget id="calculator">20 * 7 * 8.45</gadget>
<output>1_183</output>

<result>1_183</result>