A triangular piece of land has a base length of 50 meters and a height of 28 meters. If 700 grams of wheat are harvested per square meter, how many kilograms of wheat can be harvested from this land?
一块三角形地，底长50米，高是28米，如果每平方米收小麦700克，这块地可以收小麦多少千克？
<gadget id="calculator">28 / 2</gadget>
<output>14</output>

<gadget id="calculator">700 / 1_000</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">50 * 14 * (7/10)</gadget>
<output>490</output>

<result>490</result>