In February, Xiaohua's house used 80 degrees of electricity and 8 tons of water. How much do you have to pay in total? Electricity fee: 5 jiao/kwh Water fee: 1 yuan 5 jiao/ton.
小华家2月份用电80度，用水8吨．一共要交多少钱？电费：5角/度水费：1元5角/吨．
<gadget id="calculator">0.5 * 80</gadget>
<output>40</output>

<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) * 8</gadget>
<output>12</output>

<gadget id="calculator">40 + 12</gadget>
<output>52</output>

<result>52</result>