One job, 3 male workers and 4 female workers can complete the total amount (17/36) in one day, 3 female workers and 4 male workers can complete the total amount of work in one day (1/2), one male worker and one How many days can the female workers work at the same time to complete all the work?
一件工作，3个男工和4个女工一天能完成总量的(17/36)，3个女工和4个男工一天能完成工作总量的(1/2)，一个男工和一个女工同时做多少天能全部完成？
<gadget id="calculator">17 / 36</gadget>
<output>17/36 = around 0.472222</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(17/36) + (1/2)</gadget>
<output>35/36 = around 0.972222</output>

<gadget id="calculator">(35/36) / 7</gadget>
<output>5/36 = around 0.138889</output>

<gadget id="calculator">1 / (5/36)</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>