The product of 0.12 and 80 is divided by a number, the quotient is 0.5, find this number.
0.12与80的积除以一个数，商是0.5，求这个数．
<gadget id="calculator">80 / 0.5</gadget>
<output>160</output>

<gadget id="calculator">0.12 * 160</gadget>
<output>19.2</output>

<result>19.2</result>