Teacher Li spent 1760 yuan to buy 55 volleyballs. He also wants to buy 110 more of the same volleyballs. How much more money does he need to prepare? (answer in two ways)
李老师买55个排球花了1760元，他还想再买110个同样的排球，需要再准备多少钱？(用两种方法解答)
<gadget id="calculator">1_760 / 55</gadget>
<output>32</output>

<gadget id="calculator">32 * 110</gadget>
<output>3_520</output>

<result>3_520</result>