There are 8 red balls and 8 white balls in the box. If a ball is randomly drawn from the box, the probability of getting a white ball is (1/8), how many white balls should be placed in the box.
盒中装有红球和白球共8个，如果从盒中任意摸出一球，摸到白球的可能性是(1/8)，那么盒中应该放多少个白球．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">8 * (1/8)</gadget>
<output>1</output>

<result>1</result>