Xiaoqing and Xiaohong weigh 75 kilograms together, and Xiaohong and Xiaofang weigh 73 kilograms together. How much does Xiaoqing weigh more than Xiaofang?
小青和小红共重75千克，小红和小方共重73千克，小青比小方重多少千克？
<gadget id="calculator">75 - 73</gadget>
<output>2</output>

<result>2</result>