If the base of a parallelogram is 5 cm and the height is 1.2 times the base, what is its area in square centimeters?
一个平行四边形的底是5厘米，高是底的1.2倍，它的面积是多少平方厘米．
<gadget id="calculator">5 * 1.2</gadget>
<output>6</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>