When a call comes in, each ringing time is 4 seconds, and the interval between two calls is 2 seconds. The phone rings 8 times. How many seconds did it last from ringing to ending?
来电话时每次响铃时间为4秒，两次之间间隔2秒，这个电话响了8次，从响铃到结束共持续了几秒？
<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">32 + 14</gadget>
<output>46</output>

<result>46</result>