A steel factory sold 20 tons of steel in the first quarter and 25 tons in the second quarter of last year. If the steel price per ton is 1600 yuan and the tax is 4% of the sales, how much tax will the steel factory pay in the two quarters? ?
某钢厂去年第一季度与第二季度分别销售钢材20吨和25吨，如果每吨钢材价格1600元并且按销售额的4%缴纳税款，那么这个钢厂两个季度共交多少税款？
<gadget id="calculator">20 + 25</gadget>
<output>45</output>

<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">45 * 1_600 * (1/25)</gadget>
<output>2_880</output>

<result>2_880</result>