A bottle of beverage, drink (1/8) liter for the first time, and drink half of the first time for the second time. How many liters of beverage did you drink in total?
一瓶饮料，第一次喝掉(1/8)升，第二次喝掉的是第一次的一半．两次共喝掉多少升饮料？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">(1/8) * (1/2)</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">(1/8) + (1/16)</gadget>
<output>3/16 = around 0.1875</output>

<result>3/16 = around 0.1875</result>