There is a batch of goods at the station, 46% of which are transported away, and the remaining goods are exactly 20 tons more than the goods transported. How many tons of this batch of goods are there?
车站有一批货物，运走46%，剩下的货物正好比运走的多20吨，这批货物原有多少吨？
<gadget id="calculator">46 / 100</gadget>
<output>23/50 = around 0.46</output>

<gadget id="calculator">1 - (23/50) - (23/50)</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">20 / (2/25)</gadget>
<output>250</output>

<result>250</result>