Li Zhi processed 150 parts, and after inspection, 3 parts were waste products. According to this calculation, he processes 600 parts, how many qualified parts may there be?
李志加工了150个零件，经检验，有3个零件是废品．照这样计算，他加工600个零件，合格的零件可能有多少个？
<gadget id="calculator">150 - 3</gadget>
<output>147</output>

<gadget id="calculator">147 / 150</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(49/50) * 1 * 600</gadget>
<output>588</output>

<result>588</result>