The starting fare of a taxi in a certain city is 5 yuan, and after 3 kilometers, it will be charged at 1.2 yuan per kilometer. How much does Aunt Wang need at least to go to work in a company 30 kilometers away from home?
某市出租车收费起步价是5元，3千米以后按每千米1.2元计费．王阿姨要到离家30千米的公司去上班，至少需要多少元？
<gadget id="calculator">30 - 3</gadget>
<output>27</output>

<gadget id="calculator">1.2 * 27</gadget>
<output>32.4</output>

<gadget id="calculator">32.4 + 5</gadget>
<output>37.4</output>

<result>37.4</result>