A travel company leases a bus for 1,000 yuan per day, with a limit of 40 passengers; a small bus for 650 yuan per day, with a limit of 25 passengers. 115 teachers and students from Yuying Primary School go to visit the history museum. What is the minimum cost if the above two kinds of buses are rented for 1 day?
某旅游公司出租大客车每辆每天1000元，限乘客40人；小客车每辆每天650元，限乘客25人．育英小学115名师生去参观历史博物馆，如果租用以上两种客车1天，最低费用为多少．
<gadget id="calculator">3 * 650</gadget>
<output>1_950</output>

<gadget id="calculator">1_000 + 1_950</gadget>
<output>2_950</output>

<result>2_950</result>