Put an iron block with a length of 8 cm, a width of 7 cm, and a height of 9 cm into a cuboid glass tank with a bottom of 12 cm in length and a width of 7 cm filled with water (no water overflows), how many centimeters will the water level of the glass tank rise? ? (The water in the glass jar is enough to submerge the iron block)
把一个长8厘米，宽7厘米，高9厘米的铁块放进一个装了水的底面长12厘米，宽7厘米的长方体玻璃缸里(没有水溢出)，玻璃缸的水面将上升多少厘米？(玻璃缸里的水足够浸没铁块)
<gadget id="calculator">12 * 7</gadget>
<output>84</output>

<gadget id="calculator">9 / 84</gadget>
<output>3/28 = around 0.107143</output>

<gadget id="calculator">8 * 7 * (3/28)</gadget>
<output>6</output>

<result>6</result>