The school needs to purchase a batch of ceiling fans, each at 105 yuan, a total of 29 units need to be purchased. How much do these ceiling fans cost in total?
学校需要购置一批吊扇，每台105元，共需要购置29台．这批吊扇一共需要多少元．
<gadget id="calculator">105 * 29</gadget>
<output>3_045</output>

<result>3_045</result>