The number A is 0.1, the number B is 0.001, what is the product of the two numbers A and B?
甲数是0.1，乙数是0.001，甲乙两数的积是多少．
<gadget id="calculator">0.1 * 0.001</gadget>
<output>0.0001</output>

<result>0.0001</result>