100 villager representatives elect the village committee director. There are three candidates A, B, and C. Each person can only elect one of them and cannot abstain. Among the first 80 votes, A gets 38 votes, B gets 32 votes, and C gets 10 votes, it is stipulated that whoever has the most votes will be elected. If A wants to be elected, how many votes are needed at least?
100名村民代表选举村委会主任，有三位候选人甲、乙、丙，每人只能选他们中的一个人不能弃权，前80票中，甲得到38票，乙得到32票，丙得到10票，规定谁的票最多谁当选，甲若要当选，最少还需要多少张票？
<gadget id="calculator">100 - 10</gadget>
<output>90</output>

<gadget id="calculator">90 / 2</gadget>
<output>45</output>

<gadget id="calculator">1 - 38</gadget>
<output>-37</output>

<gadget id="calculator">45 + (-37)</gadget>
<output>8</output>

<result>8</result>