Mom bought 4 bottles of soda and 4 pieces of bread, and shared it for 16 yuan. A piece of bread is 2.5 yuan, how much is a bottle of soda?
妈妈买来4瓶汽水和4个面包，共用去16元．一个面包是2.5元，一瓶汽水是多少元？
<gadget id="calculator">2.5 * 4</gadget>
<output>10</output>

<gadget id="calculator">16 - 10</gadget>
<output>6</output>

<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>