There are about 5kg of clothes in the washing machine, use (1/2) spoon for each kilogram of clothes. How many scoops of washing powder are needed in total?
洗衣机里大约有5kg的衣物，每千克衣物用(1/2)勺．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>