The fourth grade has to repair 244 books for the library, 49 books were repaired on the first day, and 51 books were repaired on the second day. The rest will be repaired in 3 days, how many books should be repaired on average every day?
四年级要为图书馆修补244本图书，第一天修补了49本，第二天修补了51本．剩下的要3天修补完，平均每天要修补多少本？
<gadget id="calculator">244 - 49 - 51</gadget>
<output>144</output>

<gadget id="calculator">144 / 3</gadget>
<output>48</output>

<result>48</result>