The total weight of 4 empty baskets is 20 kilograms, and the weight of each basket is 25 kilograms when it is filled with goods. After filling 8 baskets, what is the total weight of the goods in the baskets?
4个空筐共重20千克，每只筐装满货物后重25千克，问装满8筐后，筐中的货物共重多少千克？
<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<result>160</result>