There are 15 multiple-choice questions in a certain exam. It is stipulated that 4 points will be awarded for one correct answer, 1 point will be deducted for one wrong answer, and 0 points will be awarded for no answer. How many points?
某次考试共有15道选择题，规定答对一道得4分，答错一道扣1分，不答得0分，小明答对12道，答错2道，未选1道，他的选择题得分是多少分？
<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">48 - 2</gadget>
<output>46</output>

<result>46</result>