train loads a batch of goods. It was originally planned to load 46 tons in each wagon. As a result, 100 tons were not loaded. Later, 4 tons were loaded in each wagon. Not only are all the goods loaded, but there are two wagons left. Ton.
一列火车装运一批货物，原计划每节车皮装46吨，结果有100吨没装上去，后来每节多装4吨，不但货物全部装完，而且剩两节车皮，则这批货物有多少吨．
<gadget id="calculator">46 + 4</gadget>
<output>50</output>

<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">100 + 100</gadget>
<output>200</output>

<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">46 * 50</gadget>
<output>2_300</output>

<gadget id="calculator">2_300 + 100</gadget>
<output>2_400</output>

<result>2_400</result>