rectangular piece of iron is 12.5cm long and 9.6cm wide. What is the area of this piece of iron? (Write out the letter formula first, and then substitute the data into the formula to evaluate)
一块长方形铁片，长12.5cm，宽9.6cm，这块铁片的面积是多少？(先写出字母公式，再把数据代入公式求值)
<gadget id="calculator">12.5 * 9.6</gadget>
<output>120</output>

<result>120</result>