a*b=12, if a is enlarged by 4 times, and b is enlarged by 2 times, what is the product at this time?
a*b=12，如果a扩大4倍，b扩大2倍，这时积是多少．
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<result>96</result>