Huai'an Zoo received 5 batches of tourists this morning, with an average of 130 tourists per batch. There were 804 more in the afternoon, how many fewer in the morning than in the afternoon?
淮安动物园今天上午接待了5批游客，平均每批130名．下午又来了804名，上午比下午少了多少名？
<gadget id="calculator">130 * 5</gadget>
<output>650</output>

<gadget id="calculator">804 - 650</gadget>
<output>154</output>

<result>154</result>