A triangular orchard has a base 200 meters long and half its height. On average, this orchard can harvest 18 kilograms of apples per square meter. How many tons of apples can be harvested in total?
一个三角形的果园，底长200米，高是底的一半．这个果园平均每平方米可以收苹果18千克．一共可以收多少吨苹果？
<gadget id="calculator">200 / 2</gadget>
<output>100</output>

<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<gadget id="calculator">18 / 1_000</gadget>
<output>9/500 = around 0.018</output>

<gadget id="calculator">200 * 50 * (9/500)</gadget>
<output>180</output>

<result>180</result>