On Children's Day, the school plans to buy 50 basketballs and 50 volleyballs. It is known that each basketball costs 55 yuan and each volleyball costs 45 yuan. How much does it cost in total?
"六一"儿童节，学校准备买篮球和排球各50个，已知篮球每个价钱55元，排球每个45元，一共要用多少钱？
<gadget id="calculator">55 + 45</gadget>
<output>100</output>

<gadget id="calculator">100 * 50</gadget>
<output>5_000</output>

<result>5_000</result>