To celebrate Children's Day, Siyuan Experimental School needs to purchase clothing for performances. Each set of children's clothing is 58 yuan, and a discount is offered: buy 4 sets and get 1 set free. If there are 45 people in Class 4 and 1, how much is the minimum cost?
思源实验学校为庆祝"六一"儿童节，表演节目需要购买服装，儿童服装每套58元，推出优惠：每买4套送1套．如果四1班有45人，至少需要多少钱？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">58 * (4/5)</gadget>
<output>232/5 = around 46.4</output>

<gadget id="calculator">(232/5) * 45</gadget>
<output>2_088</output>

<result>2_088</result>