Xiao Ming's father works in Beijing. On October 1st, Xiao Ming used his mobile phone to call his father for 10 minutes. Xiaoming's mobile phone card is China Mobile GSM, and the tariff standard is: local call fee + long-distance fee = 0.4 yuan per minute + 0.07 yuan per second. Do the math, how much should Xiao Ming pay for this call?
小明的爸爸在北京工作，10月1日那天，小明用手机给爸爸通话10分钟．小明的手机卡是中国移动全球通，资费标准是：本地通话费+长途费=0.4元/分钟+0.07元/秒．算一算，小明这次通话应缴费多少元？
<gadget id="calculator">0.4 * 10</gadget>
<output>4</output>

<gadget id="calculator">0.07 * 0</gadget>
<output>0</output>

<gadget id="calculator">4 + 0</gadget>
<output>4</output>

<result>4</result>