There is a batch of goods in the freight yard. A truck with a load of 4 tons has been transported 5 times, and the remaining 3 tons have not been transported away. How many tons did this shipment originally weigh?
货场有一批货物，一辆载重4吨的货车运了5次，还剩3吨没有运走．这批货物原来有多少吨？
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">20 + 3</gadget>
<output>23</output>

<result>23</result>