Farmer Zhang San handed over the pigs he raised to Li Si to raise together. It is known that Zhang San and Li Si raised a total of 260 pigs, of which 13% of the pigs raised by Zhang San were black-haired pigs, and 12.5% of the pigs raised by Li Si were black-haired pigs , Ask Li Si how many non-black pigs he has raised.
农民张三将自己养的猪交于李四合养，已知张三、李四共养猪260头，其中张三养的猪有13%是黑毛猪，李四养的猪有12.5%的黑毛猪，问李四养了多少头头非黑毛猪．
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">160 * 0.125</gadget>
<output>20</output>

<gadget id="calculator">160 - 20</gadget>
<output>140</output>

<result>140</result>