Four elementary school students A, B, C, and D stand in a horizontal row, and they hold 35 flowers in their hands. It is known that the students standing on the right of A hold 16 flowers in total, the students standing on the right of C hold 4 flowers in total, and the students standing on the right of D hold 25 flowers in total. May I ask: How many flowers are held by the person with the most flowers?
甲、乙、丙、丁四个小学生站成一横排，他们手中共拿着35枝花．已知站在甲右边的学生共拿着16枝花，站在丙右边的学生共拿着4枝花，站在丁右边的学生共拿着25枝花．请问：手中花最多的人拿着多少枝花？
<gadget id="calculator">35 - 25</gadget>
<output>10</output>

<gadget id="calculator">35 - 10 - 16</gadget>
<output>9</output>

<gadget id="calculator">35 - 10 - 9 - 4</gadget>
<output>12</output>

<result>12</result>