Two harvesters need to harvest 1536 square meters of wheat, the first harvests 32 square meters per hour, and the second harvests 64 square meters per hour. If you work 8 hours a day, how many days will it take to harvest this land?
两台收割机要收割1536平方米小麦，第一台每小时收割32平方米，第二台每小时收割64平方米，如果每天工作8小时，收割完这块地需要多少天？
<gadget id="calculator">32 + 64</gadget>
<output>96</output>

<gadget id="calculator">96 * 8</gadget>
<output>768</output>

<gadget id="calculator">1_536 / 768</gadget>
<output>2</output>

<result>2</result>