After the goods in the warehouse were transported away (1/5), another 125 tons were brought in, which was 45 tons more than before. How many tons of goods were there in the warehouse?
仓库里的货物运走(1/5)后，又运来了125吨，这时比原来多了45吨，仓库里原来有货物多少吨？
<gadget id="calculator">125 - 45</gadget>
<output>80</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - 1</gadget>
<output>0</output>

<gadget id="calculator">(1/5) + 0</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">80 / (1/5)</gadget>
<output>400</output>

<result>400</result>