The water tank is filled with a tube of water (12 cups in total). Brother: "I drank 50% of a bottle of water." Sister: "I drank 1/3 of a bottle of water. Please do the math, how many glasses of water did brother and sister drink together?
水筒备满了一筒水(共12杯)．哥哥："我喝了一筒水的50%．"妹妹："我喝了一筒水的(1/3)．请你算一算，哥哥和妹妹两人共喝了几杯水？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 * (1/2)</gadget>
<output>6</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<result>10</result>