There are 160 big goldfish in the aquarium, and the number of small goldfish is 20 times that of big goldfish. How many golden horns are there in total?
水族馆有大金鱼160尾，小金鱼的尾数是大金鱼的20倍，一共有金角多少尾？
<gadget id="calculator">20 + 1</gadget>
<output>21</output>

<gadget id="calculator">160 * 21</gadget>
<output>3_360</output>

<result>3_360</result>