Xiaohong, Xiaoli, and Xiaoming went to the bookstore to buy books together. Xiaoli said. I have 20 yuan. Xiao Ming said: I am yours (1/2). Xiaoli said: I am Xiaohong's (1/4). How much did they bring in total?
小红、小丽、小明，一起到书店买书．小丽说．我有20元．小明说：我是你的(1/2)．小丽说：我是小红的(1/4)．他们一共带了多少元？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">20 * (1/2)</gadget>
<output>10</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>

<gadget id="calculator">20 + 10 + 80</gadget>
<output>110</output>

<result>110</result>