When washing clothes, use (1/2) scoop of detergent powder per kilogram of clothes. There are about 5 kg of clothes in the washing machine. How many spoons of detergent powder do you need to put in total?
洗衣服时每千克衣物用(1/2)勺洗衣粉，洗衣机里大约有5㎏的衣物，一共需要放几勺洗衣粉？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 5</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>