There are 75 workers in the first workshop of a factory, and 45 workers in the second workshop. The workers in the first workshop are transferred ((())/(())) to the second workshop, so that the number of workers in the two workshops is equal.
某工厂第一车间有工人75人，第二车间有工人45人，从第一车间工人中调出((())/(()))到第二车间去，两车间人数才相等．
<gadget id="calculator">75 - 45</gadget>
<output>30</output>

<gadget id="calculator">30 / 2 / 75</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>