Wang Li and Li Xiang wrote a manuscript together. In the first 3 minutes, Wang Li typed 255 characters and Li Xiang typed 300 characters. At this speed, the two of them played together for 45 minutes to finish the manuscript. How many words are there in this manuscript?
王立和李祥合打一部书稿．开始3分钟，王立打了255个字，李祥打了300个字．照这样的速度，两个人合打45分钟打完了书稿．这部书稿一共有多少个字？
<gadget id="calculator">255 + 300</gadget>
<output>555</output>

<gadget id="calculator">555 / 3</gadget>
<output>185</output>

<gadget id="calculator">185 * 45</gadget>
<output>8_325</output>

<result>8_325</result>