It costs 672 yuan to buy a parallelogram steel plate with a base of 7 meters and a height of 8 meters. How much is this steel plate on average per square meter?
买一块底是7米，高是8米的平行四边形钢板用去672元，这种钢板平均每平方米多少元？
<gadget id="calculator">7 * 8</gadget>
<output>56</output>

<gadget id="calculator">672 / 56</gadget>
<output>12</output>

<result>12</result>