A 5 cent coin weighs 2 grams. Xiao Fang has 8 5-cent coins, a total of 4 cents. How much does it weigh in total?
一枚5分硬币重2克．小方有8个5分硬币，一共是4角钱．一共重多少克？
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>