It will take 7 days for Manager Qian to go abroad to negotiate business. The estimated daily cost abroad is about 150 US dollars, and the round-trip air ticket is 1250 US dollars. May I ask how much money he needs to bring at least?
钱经理出国洽谈生意，需要7天时间，预计在国外每天的费用大约150美元，往返飞机票1250美元．请问他至少要带多少钱？
<gadget id="calculator">150 * 7</gadget>
<output>1_050</output>

<gadget id="calculator">1_050 + 1_250</gadget>
<output>2_300</output>

<result>2_300</result>