Dad made a long-distance call to his uncle. He first dialed 17909 and then dialed the phone number (the connection fee for dialing 17909 is 0.20 yuan). The phone bill was 0.30 yuan per minute. They spent a total of 16 minutes. How much did they spend?
爸爸给舅舅打长途电话，先拨打17909后拨电话号码(拨17909连接费0.20元)电话计费是每分钟0.30元，他们共通了16分钟，一共花了多少元？
<gadget id="calculator">0.3 * 16</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 + 0.2</gadget>
<output>5</output>

<result>5</result>