Zhao Na, Li Xue, Li Li, and Wang Ying jointly bought a 42.8 yuan birthday cake for Grandpa Wang, a member of the military.
赵娜、李雪、李丽、王莹合买一个42.8元的生日蛋糕送给军属王爷爷，平均每人应付多少元？
<gadget id="calculator">42.8 / 4</gadget>
<output>10.7</output>

<result>10.7</result>