Lili typed 328 characters in 8 minutes, and 224 characters in 4 minutes. Who can type faster? How many words are typed per minute?
丽丽8分钟打了328个字，花花4分钟打了224个字，谁打得快？每分钟多打多少个字？
<gadget id="calculator">224 / 4</gadget>
<output>56</output>

<gadget id="calculator">328 / 8</gadget>
<output>41</output>

<gadget id="calculator">56 - 41</gadget>
<output>15</output>

<result>15</result>