There is a batch of steel products in the warehouse, 450 tons are shipped out on the first day, and (1/4) of the total number is shipped out on the second day. The tons shipped out on the second day are exactly 20% more than the first day. How many tons are there in this batch of steel products? Ton?
仓库里有一批钢材，第一天运出450吨，第二天运出总数的(1/4)，第二天运出的吨数恰好比第一天多20%，这批钢材一共有多少吨？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(6/5) / (1/4)</gadget>
<output>24/5 = around 4.8</output>

<gadget id="calculator">450 * (24/5)</gadget>
<output>2_160</output>

<result>2_160</result>