In order to save energy, a city charges natural gas fees according to the following regulations. If the gas consumption is less than 50dm**3, the fee is 2.1 yuan per dm**3; if it exceeds 50dm**3, the excess part is charged 2.5 yuan per dm**3; Natural gas 95dm**3 in December, how much should be paid?
为了节约能源，某市按以下规定收取天然气费用，用气量不足50dm**3，每dm**3收费2.1元；如果超过50dm**3，超过部分每dm**3收费2.5元；小明家12月份天然气95dm**3，应缴费多少元？
<gadget id="calculator">50 * 2.1</gadget>
<output>105</output>

<gadget id="calculator">95 - 50</gadget>
<output>45</output>

<gadget id="calculator">45 * 2.5</gadget>
<output>112.5</output>

<gadget id="calculator">105 + 112.5</gadget>
<output>217.5</output>

<result>217.5</result>