The product of two numbers A and B is 2.9. If number A is multiplied by 10 times and number B is multiplied by 100 times, what is the product of two numbers A and B now?
甲、乙两数的积是2.9，如果甲数扩大10倍，乙数扩大100倍，则现在甲、乙两数的积是多少．
<gadget id="calculator">2.9 * 10 * 100</gadget>
<output>2_900</output>

<result>2_900</result>