Each box of fruit candy weighs (1/8) kilogram, 18 yuan per kilogram, and each box of halva weighs (1/10) kilogram, 25 yuan per kilogram. How much does it cost to buy a box of fruit candy and a box of halva?
水果糖每盒重(1/8)千克，每千克18元，酥糖每盒重(1/10)千克，每千克25元，买一盒水果糖和一盒酥糖要多少元？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">18 * (1/8)</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">25 * (1/10)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(9/4) + (5/2)</gadget>
<output>19/4 = around 4.75</output>

<result>19/4 = around 4.75</result>