Lele typed 48 characters in 2 minutes for the first time, and 72 characters in 3 minutes for the second time. How many characters per minute did she type on average?
乐乐第一次2分钟打48个字，第二次3分钟打72个字，她两次平均每分钟打多少个字？
<gadget id="calculator">48 + 72</gadget>
<output>120</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">120 / 5</gadget>
<output>24</output>

<result>24</result>