The students actively participated in the "Mathematical Intelligence Competition" organized by the school. When grouping, divide according to group of 4 people, or group of 6 people just finished. It is known that the number of registered students is between 40-50. How many students have registered?
同学们积极参加学校组织的"数学智力大比拼"活动．分组时，按4人一组，或6人一组都正好分完．已知报名的人数在40-50人之间，报名的同学共有多少人？
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>