9 times a number is equal to 60% of 150, find this number. (solution by equation)
一个数的9倍与150的60%相等，求这个数．(用方程解)
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 * (3/5)</gadget>
<output>90</output>

<gadget id="calculator">90 / 9</gadget>
<output>10</output>

<result>10</result>