A rectangular vegetable field is 98 meters long and twice as wide. What is the area of the field?
一块长方形的菜地，长98米，正好是宽的2倍，这块地的面积是多少？
<gadget id="calculator">98 / 2</gadget>
<output>49</output>

<gadget id="calculator">98 * 49</gadget>
<output>4_802</output>

<result>4_802</result>