A park covers an area of 150 hectares, including a cement road with a width of 5 meters and a length of 4 kilometers, and a fountain of 43 hectares, and the rest are flowers and plants. How many hectares are the flowers and plants in this park?
一个公园占地150公顷，其中有一条宽5米、长4千米的水泥路，还有一个43公顷的喷泉，其余的都是花草，这个公园的花草的占地面积是多少公顷？
<gadget id="calculator">5 / 10_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">4 * 1_000 * (1/2_000)</gadget>
<output>2</output>

<gadget id="calculator">150 - 43 - 2</gadget>
<output>105</output>

<result>105</result>