and B together typed 5,750 words in 25 minutes. If A typed 110 words per minute on average, how many words per minute did B type on average?
甲、乙两人用25分钟合打了5750个字，如果甲平均每分钟打字110个，那么乙平均每分钟打字多少个？
<gadget id="calculator">110 * 25</gadget>
<output>2_750</output>

<gadget id="calculator">5_750 - 2_750</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 / 25</gadget>
<output>120</output>

<result>120</result>