What is the product of 20 times 40.2 divided by 20.1?
20乘以40.2除以20.1的商，积是多少？
<gadget id="calculator">40.2 / 20.1</gadget>
<output>2</output>

<gadget id="calculator">20 * 2</gadget>
<output>40</output>

<result>40</result>