In order to build a conservation-oriented society and strengthen citizens' awareness of water conservation, a certain city has formulated the following water charging standards: when the monthly water consumption of each household does not exceed 15 tons (including 15 tons), the water fee per ton is 2.3 yuan; if it exceeds 15 tons , The excess part of the water fee per ton will be increased by 20% on the basis of 2.3 yuan. Uncle Wang’s family used 22 tons of water last month. How much is the water bill?
为构建节约型社会，加强公民节水意识，某城市制定了以下用水收费标准：每户每月用水量不超过15吨时(含15吨)，每吨水费为2.3元；如果超过15吨，超出部分每吨水水费在2.3元的基础上要加价20%．王大伯家上个月用水22吨，需交水费多少元？
<gadget id="calculator">2.3 * 15</gadget>
<output>34.5</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">22 - 15</gadget>
<output>7</output>

<gadget id="calculator">2.3 * (6/5) * 7</gadget>
<output>19.32</output>

<gadget id="calculator">34.5 + 19.32</gadget>
<output>53.82</output>

<result>53.82</result>