The charging standard for a mobile phone is 40 yuan for 500 minutes, and 0.15 yuan per minute for more than 500 minutes. Xiao Wang played 624 minutes last month. How much does he have to pay for the call?
一种手机的收费标准是40元包打500分钟，超过500分钟每分钟按0.15元收费，小王上月打了624分钟．他应付话费多少元？
<gadget id="calculator">624 - 500</gadget>
<output>124</output>

<gadget id="calculator">124 * 0.15</gadget>
<output>18.6</output>

<gadget id="calculator">18.6 + 40</gadget>
<output>58.6</output>

<result>58.6</result>