Among the 48 people, there are 38 people who have no younger brother, and 8 people who have younger brother but no younger sister. How many of these 48 people have no brothers or sisters?
48人中，无弟弟的人有38人，有弟弟无妹妹的又8人，无弟弟有妹妹的人数是有弟弟有妹妹人数的2倍．这48人中无弟弟无妹妹的有多少人．
<gadget id="calculator">38 + 8</gadget>
<output>46</output>

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

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">38 - 4</gadget>
<output>34</output>

<result>34</result>