Teacher Li bought 25 of the same basketball for 975 yuan. She wants to buy 125 of these basketballs. How much does she need to prepare?
李老师买25个同样的篮球用了975元，她还想买125个这样的篮球，需要准备多少元钱？
<gadget id="calculator">975 / 25</gadget>
<output>39</output>

<gadget id="calculator">39 * 125</gadget>
<output>4_875</output>

<result>4_875</result>