Bing Bing bought mineral water with 100 yuan, 2 yuan per bottle of mineral water, 24 bottles in a box, how much yuan does he have left?
兵兵带100元买了矿泉水，矿泉水每瓶2元，一箱24瓶，他还剩多少元？
<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<gadget id="calculator">100 - 48</gadget>
<output>52</output>

<result>52</result>