A piece of 60 hectares of arable land, of which (3/4) is planted with oil crops, and sesame accounts for (5/9) of the oil crops, how many hectares of land are planted with sesame?
一块60公顷的耕地，其中(3/4)种植油料作物，油料作物中芝麻占(5/9)，种植芝麻的地有多少公顷？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">60 * (3/4) * (5/9)</gadget>
<output>25</output>

<result>25</result>